Conversation Clear Plus
True Wireless stereo earbuds with voice enhancement
Model: ConCPlus1, ConCPlus1-R, ConCPlus1-L, ConCPlus1-C
Instruction manual
Use the search function, the navigation (left) or the following links:
Start
“Product overview”
“Getting started”
“Using the earbuds”
“FAQ/If a problem occurs ...”
“Specifications”
Sonova Consumer Hearing GmbH
Am Labor 1
30900 Wedemark
Germany
www.sennheiser-hearing.com
Version: 01/23 A01
Important safety instructions
2 | Conversation Clear Plus
Important safety instructions
▷ Read this instruction manual carefully and completely before
using the product.
▷ Always include this instruction manual when passing the product
on to third parties.
▷ Do not use the product if it is obviously defective or makes loud,
unusual (whistling or beeping) noise.
▷ Only use the product in environments where Bluetooth® wireless
transmission is permitted.
Preventing damage to health and accidents
▷ Protect your hearing from high volume levels. Permanent
hearing damage may occur when earbuds are used at
high volume levels for long periods of time. Sennheiser
earbuds sound exceptionally good at low and medium volume lev
-
els.
▷ Do not insert the earphones too deep into your ears and never
insert them without ear adapters. Always remove the earphones
slowly and carefully from your ears.
▷ The product generates stronger permanent magnetic
fields that could cause interference with cardiac pace-
makers, implanted defibrillators (ICDs) and other
implants. Always maintain a distance of at least 3.94"/10 cm
between the product component containing the magnet (earbuds
and charging case) and the cardiac pacemaker, implanted
defibrillator, or other implant.
▷ Keep the product, accessories and packaging parts out of reach
of children and pets to prevent accidents. Swallowing and chok-
ing hazard.
▷ Do not use the product in an environment that requires your spe-
cial attention (e.g. in traffic). Especially the product's active noise
cancellation can make ambient sounds inaudible or drastically
change the perception of acoustic warning signals.
Preventing damage to the product and malfunctions
▷ Always keep the product dry and do not expose it to extreme tem-
peratures (hairdryer, heater, extended exposure to sunlight, etc.)
to avoid corrosion or deformation. The normal operating tempera-
ture is from 0 °C to 40 °C/32 °F to 104 °F.
▷ To avoid loud, unusual (whistling or beeping) noise and to ensure
proper noise cancellation, do not cover the microphone openings
of the active noise cancellation circuitry located on the outside of
the earbuds.
▷ Use only attachments/accessories/spare parts supplied or rec-
ommended by Sonova Consumer Hearing.
▷ Clean the product only with a soft, dry cloth. Product parts with
ingress protection (IP protection rating) can be cleaned with a
slightly damp cloth.
Important safety instructions
Conversation Clear Plus | 3
Safety instructions for Lithium rechargeable batteries
WARNING
If abused or misused, rechargeable batteries may leak. In
extreme cases, they may even present a risk of:
•explosion
• heat and fire development
• smoke and/or gas development
• damage to health and/or the environment
Only use rechargeable batteries and chargers recom-
mended by Sonova Consumer Hearing.
Do not leave the product / rechargeable batteries unat-
tended while charging.
Only charge the product / rechargeable batteries at
ambient temperatures between 10 °C and 30 °C/50 °F
and 86 °F and do not charge them near easily flammable
objects.
Do not charge the product / rechargeable batteries in a
damp environment. Make sure that the charging socket
is free from moisture and contamination.
Do not heat the product / rechargeable batteries above
60 °C/140 °F. Avoid exposure to sunlight and do not
throw the product / rechargeable batteries into fire.
Switch rechargeable battery-powered products off after
use.
When not using the product / rechargeable batteries for
extended periods of time, charge them regularly (about
every three months).
This product contains coin rechargeable batteries. If you
think the product / a coin rechargeable battery has been
swallowed or is lodged in the body, seek medical assis-
tance immediately.
Avoid prolonged skin contact with the product,
rechargeable battery, charger or charging cable when
connected to a power source. These components can
heat up during charging and cause skin irritation.
Dispose of defective products with built-in rechargeable
batteries at special collection points or return them to
your specialist dealer to facilitate recycling.
Important safety instructions
4 | Conversation Clear Plus
Notes on the ingress protection rating of the earbuds
The earbuds feature an IPX4 ingress protection rating which means
they are protected from the ingress of water (protection class
according to International Protection Marking (IP code), IEC standard
60529, tested under laboratory conditions).
The earbuds can be used in the rain, for example. However, they are
not suitable for immersion in water or for wearing in the shower. In
case of permanent moisture/wetness, the ingress protection can be
reduced and the product can be damaged.
▷ Do not charge wet earbuds. Completely dry wet earbuds with a
dry cloth before charging them.
The charging case is not splash waterproof. Always keep the
charging case dry. Make sure that the charging socket is free from
moisture and contamination.
If the charging case has become damp or wet:
▷ Dry charging case completely with a dry cloth.
▷ Allow the charging case to dry at room temperature for at least
24 hours before using and charging it again.
▷ Do not continue to use the product if it is obviously defective.
Notes on data collection and processing and on firmware updates
This product stores individual settings such as the volume and the
Bluetooth addresses of paired devices. This data is required for the
operation of the product and is not transferred to Sonova Consumer
Hearing GmbH or companies commissioned by Sonova Consumer
Hearing GmbH and is not processed.
Using the “Sennheiser Conversation Clear” app, you can update the
firmware of the product free of charge via an Internet connection. If
the device on which the app is installed is connected to the Internet,
the following data is automatically transferred to and processed by
Sonova Consumer Hearing servers in order to provide and transfer
suitable firmware updates: hardware identifier, hardware revision
number, firmware version of the product, operating system type
(Android, iOS) and version, version of the app. The data is only used
for the purpose of providing and transferring the firmware updates
and is not stored permanently.
If you do not want this data to be transferred and processed, do not
connect to the Internet.
Intended use/Liability
The intended use of the earbuds is to improve comfort perception in
noisy environments, to enable audio communication such as music
playback and phone calls from TV, audio devices, tablets, smart-
phones, etc., and to improve speech intelligibility in noisy environ-
ments. The intended use of the charging case is to charge the ear-
buds.
It is considered improper use when the product is used for any appli-
cation not named in the corresponding product documentation.
Sonova Consumer Hearing GmbH is not liable for damages to
devices that are not consistent with the interface specifications
(USB). Sonova Consumer Hearing GmbH is not liable for damages
resulting from the loss of connection due to exceeding the Bluetooth
transmission range. Sonova Consumer Hearing GmbH does not
accept liability for damage arising from misuse or improper use of
this product and its attachments/accessories.
Before putting the product into operation, please observe the
respective country-specific regulations.
Package contents
Conversation Clear Plus | 5
Package contents
Online you can find:
• this detailed instruction manual and additional information
(www.sennheiser-hearing.com/download
)
• the Sennheiser Conversation Clear app for configuring the ear-
buds and for additional functions
– Google Play Store: click
– Apple App Store: click
• a list of accessories on the product page of the Conversation
Clear Plus earbuds at
www.sennheiser-hearing.com/conversationclearplus
(to purchase online or contact your local Sonova Consumer Hear-
ing partner: www.sennheiser-hearing.com/service-support)
Earbud L for left ear (model: ConCPlus1-L) and
Earbud R for right ear (model: ConCPlus1-R)
Charging case (model: ConCPlus1-C) with built-in
rechargeable battery for the earbuds
USB charging cable with USB-C and USB-A connec-
tor, length approx. 1 m
Silicone ear adapters (size S, M and L; size L is pre-
mounted to the earbuds)
Silicone ear fins (size S, M (pre-mounted to the ear-
buds) and L)
Quick guide
Safety guide
Product overview
6 | Conversation Clear Plus
Product overview
Earbuds
Model: ConCPlus1-L and ConCPlus1-R
Left earbud L
Microphones
Holding points for magnets of the charging compartments
(> 7)
Changeable ear fins
for a secure fit of the earbuds in the ears
Marking for the alignment of the ear adapters
Charging contacts
Built-in rechargeable battery
Multi-function button (short and long press/double tap)
Status LED
Changeable silicone ear adapters
Right earbud
R
ConCPlus1-RConCPlus1-L
1
8
A
8
4
5 5
4
22
33
66
0
22
0
99
77
Product overview
Conversation Clear Plus | 7
Charging case
Model: ConCPlus1-C
Charging compartment for the left earbud L
Magnetic holders
Charging compartment for the right earbud R
USB-C socket
for charging the rechargeable batteries
Reset button
Built-in rechargeable battery
for charging the earbuds on the go
Charging contacts
LED display
displays the charging process/charge status of the
rechargeable battery of the charging case
Type plate
C
H
B
D
C
F
E
I
J
G
Product overview
8 | Conversation Clear Plus
Overview of the LED display of the
charging case
When a USB cable is connected, the LED display of the charging
case permanently displays the charging process:
When you close the lid of the charging case, the LED display goes off
after 15 seconds.
When no USB cable is connected and you open or close the lid of the
charging case, the LED display of the charging case displays the bat-
tery charge status for 15 seconds:
LED Status
flashes red
... charging case is being charged
... charge status < 10 %
flashes green
... charging case is being charged
... charge status > 10 %
lights up green ... charging case is fully charged
lights up red ... charging error/battery error (> 35)
LED Status
flashes red for
15 sec
... charge status < 10 %
lights up green
for 15 sec
... charge status > 10 %
... charging case is fully charged
lights up red ... charging error/battery error (> 35)
15s
Product overview
Conversation Clear Plus | 9
Overview of the LED indications of the
earbuds
The LEDs of the earbuds indicate the status of the Bluetooth connec-
tion:
When the earbuds are in the charging case, signals about the charge
status of the earbuds are displayed:
Notes on acoustic feedback
The earbuds play melodies during some events, e.g. when setting the
minimum or maximum volume.
If the LED display does not light up:
• Clean the contacts on the earbuds and in the charging case
(> 34).
• Charge the rechargeable batteries of the earbuds and the
charging case (at least 30 minutes) until the LED display
lights up again (> 14).
LED Meaning; the earbuds...
flashes blue
... are in Bluetooth pairing mode (pair-
ing for Bluetooth and e.g. for the
Sennheiser TV Connector transmitter)
lights up blue for
5 seconds
... pairing process successful
LED Meaning; the earbuds...
lights up green ... earbuds are fully charged
flashes green
... earbuds are being charged via the
rechargeable battery of the charging
case
flashes orange
quickly
... firmware is being updated
lights up orange
for 5 seconds
... firmware update successful
lights up red ... charging error/battery error
flashes red
slowly
... earbuds are being charged via the
rechargeable battery of the charging
case, charge status < 10 %
flashes red
quickly
... rechargeable battery is almost
empty
Getting started
10 | Conversation Clear Plus
Getting started
1. Waking up the earbuds and the charging case
and charging the rechargeable batteries
Upon delivery, the rechargeable batteries of the earbuds and the
charging case are in sleep mode and have to be woken up by con-
necting them to a USB power source once.
▷ Insert the earbuds into the charging case.
▷ Close the lid of the charging case.
▷ Connect the USB-C cable to the charging case and to a USB
power source (> 14).
▷ Charge the rechargeable batteries for at least 30 seconds.
The earbuds and the charging case are woken up and the
rechargeable batteries are being charged. The earbuds are now
ready for use.
2. Selecting suitable ear adapters and ear fins
for optimum fit of the earbuds
The perceived sound quality including bass performance, the best
possible noise cancellation, the best voice quality for phone calls and
a secure hold of the earbuds in the ear depends to a large extent on
the correct fit of the earbuds. Therefore, you can choose between ear
adapters and ear fins in different sizes.
▷ Test which ear adapter size and which ear fins give you the best
sound quality and the best wearing comfort.
We recommend charging the earbuds and the charging case
for a complete charging cycle without interruption before using
for the first time.
USB-C
USB-A
LMS
LMS
Left
Getting started
Conversation Clear Plus | 11
▷ You can choose between 3 different ear adapters in size S, M and
L and 3 different ear fins in size S, M and L (> 19).
▷ When mounting the ear adapter, make sure that the raised line in
the silicone of the ear adapter is aligned with the white marking
on the support of the in-ear sound tunnel of the earbud.
The correct alignment of the ear adapters ensures proper func-
tion of the earbuds and the best sound quality.
▷ Assign the right earbud to your right ear and the left earbud to
your left ear.
▷ Insert the earbuds at a slight angle into the ears and twist them
slightly into the ear canal so that they sit comfortably and snugly
in the ear canal and auricle (> 21).
3. Connecting the earbuds to a Bluetooth device
Connect the earbuds to your smartphone via Bluetooth (> 17).
1. 2. 3.
Model:
ConCPlus1-R
Model:
ConCPlus1-L
L
R
LR
4s
Hold
Getting started
12 | Conversation Clear Plus
4. Installing the Conversation Clear app on your
smartphone
To be able to adjust the settings of the earbuds to your individual
needs and to fully use all functions of the earbuds, you require the
free Sennheiser Conversation Clear app on your smartphone. The
Conversation Clear app allows you to adjust the volume, the noise
cancellation, and the sound clarity to your liking (>
18).
– Google Play Store: click
– Apple App Store: click
To be able to use the Conversation Clear app, you require a Sennhe-
iser account.
▷ Follow the instructions in the Conversation Clear app to establish
a connection between the app and your earbuds.
After installation, the Conversation Clear app will help you create
your individual sound profile.
5. Adjusting your individual volume and sound
clarity settings with the Conversation Clear app
After the initial login, the Conversation Clear app creates an individ-
ual sound profile for you and guides you through the initial setting of
volume and sound clarity.
▷ Follow the instructions in the app.
The app saves your individual settings for volume and sound clar-
ity in the sound profile.
Conversation Clear
“Sennheiser Conversation Clear”
Using the earbuds
Conversation Clear Plus | 13
Using the earbuds
Information on the rechargeable battery,
the charging process and the first use
The earbuds and the charging case each have a built-in rechargeable
battery. The charging case allows you to store the earbuds safely at
all times while on the go, and they are being charged at the same
time.
Upon delivery, the rechargeable batteries of the earbuds and the
charging case are in sleep mode. Connect the charging case to a
USB power source to exit sleep mode.
A complete charging cycle of the charging case and the earbuds
takes about 5 hours. The quick charge function gives you approx.
1 hour of playback time after 15 minutes of charging. The charging
time may vary depending on the power source used and the ambient
temperature.
We recommend charging the earbuds and the charging case for a
complete charging cycle without interruption before using for the
first time.
We recommend using the supplied USB cable and a compatible
standard USB power supply for charging the earbuds.
When a USB cable connected to a power source is also connected to
the charging case, the rechargeable battery of the charging case is
being charged. When the earbuds are inserted into the charging
case, their rechargeable batteries are being charged at the same
time. The LED display of the charging case displays the charge
status (>
8).
When the charge status of the earbuds' rechargeable batteries drops
to a critical level, a sound sequence prompts you to recharge the ear-
buds.
The charge status of the rechargeable battery of the charging case
is displayed by the LED display on the charging case (> 8).
At the end of its operational lifetime, this product with its built-in
rechargeable battery must be disposed of separately from normal
household waste. You can find more information here: > 41.
Using the earbuds
14 | Conversation Clear Plus
Charging the rechargeable battery of the
earbuds and the charging case
1. Open the lid of the charging case by overcoming a slight magnetic
resistance and insert the left earbud into the left charging com-
partment and the right earbud into the right charging compart-
ment.
The earbuds are magnetically pulled into the charging compart-
ments.
2. Make sure that the charging socket is free from moisture and con-
tamination.
3. Connect the USB-C connector of the USB cable to the USB-C
socket of the charging case.
4. Connect the USB-A connector to a corresponding socket of a USB
power source (to be ordered separately). Make sure that the USB
power source is connected to the power supply system.
The rechargeable batteries of the earbuds and the charging case
are being charged.
If no earbuds are inserted into the charging case, only the
rechargeable battery of the charging case is being charged.
The LED display of the charging case displays the charge status:
LED Status
flashes red
... charging case is being charged
... charge status < 10 %
flashes green
... charging case is being charged
... charge status > 10 %
lights up green ... charging case is fully charged
lights up red ... charging error/battery error (> 35)
If the LED display does not light up:
• Clean the contacts on the earbuds and in the charging case
(> 34).
• Clean the USB-C socket of the charging case.
• Charge the rechargeable batteries of the earbuds and the
charging case (at least 30 minutes) until the LED display
lights up again.
1 2
3
USB-C
USB-A
Using the earbuds
Conversation Clear Plus | 15
Connecting the earbuds to a Bluetooth
device
To be able to use the Bluetooth wireless connection, you must regis-
ter both devices (earbuds and smartphone) via the device settings of
your smartphone. This process is called pairing.
In addition, you have to establish a connection between the earbuds
and the Sennheiser Conversation Clear app (> 18).
If operation differs from the steps mentioned, also refer to the
instruction manual of the Bluetooth device you are using.
The LEDs of the earbuds flash blue as long as the pairing pro-
cess is not completed and there is no connection to the Con-
versation Clear app. The earbuds are automatically in pairing
mode.
Using the earbuds
16 | Conversation Clear Plus
Information on the Bluetooth wireless
connection
The earbuds are compliant with Bluetooth 4.2.
Paired devices establish the Bluetooth wireless connection immedi-
ately after switch-on and are ready for use.
When switched on, the earbuds automatically try to connect to the
last two Bluetooth devices used. The earbuds can save the connec-
tion profiles of up to 8 Bluetooth devices with which they have been
paired. Audio playback is only possible from one device at a time.
If you pair the earbuds with the ninth Bluetooth device, the saved
connection profile of the least used Bluetooth device will be over-
written. If you want to re-establish a connection with the overwritten
Bluetooth device, you have to pair the earbuds again.
Paired and connected Bluetooth device
Paired Bluetooth device (currently not connected)
1
2
4
5
6
7
8
3
Using the earbuds
Conversation Clear Plus | 17
Pairing the earbuds with a Bluetooth
device
1. Take both earbuds out of the charging case (> 21). The distance
between the earbuds and the Bluetooth device should not exceed
40"/1 m.
2. Simultaneously touch and hold the right and the left multi-pur-
pose button for 4 seconds until you hear a melody.
The LEDs of the earbuds flash blue. The earbuds are in pairing
mode.
3. Activate Bluetooth on your Bluetooth device.
4. Via the menu of your Bluetooth device, start the search for new
Bluetooth devices.
All active Bluetooth devices in the proximity of your smartphone
are displayed.
From the list of found Bluetooth devices, select “ConCPlus1”. If
necessary, enter the default pin code “0000”.
If pairing was successful, you hear a melody and the LEDs of the
earbuds light up blue for 5 seconds.
Disconnecting the earbuds from a
Bluetooth device
▷ Via the menu of your Bluetooth device, disconnect the connection
to the earbuds.
The earbuds are disconnected from the Bluetooth device. The
earbuds then search for other paired devices.
If no connection is established within 3 minutes, pairing mode
is terminated and the earbuds switch to idle mode. If neces-
sary, repeat the steps described above.
If the earbuds are not connected to the Conversation Clear app
or are not paired with any Bluetooth device (the pairing list is
empty), pairing mode is permanently active.
max. 1 m/40 inch
ON
1
3 4
2
ConCPlus1
************
5
s
LR
4s
Hold
Using the earbuds
18 | Conversation Clear Plus
Installing the Conversation Clear app
To be able to adjust the settings of the earbuds to your individual
needs and to fully use all functions of the earbuds, you require the
free Sennheiser Conversation Clear app on your smartphone.
Download the app from the Apple App Store or Google Play and
install it on your smartphone.
– Google Play Store: click
– Apple App Store: click
Alternatively, you can visit the following website with your smart-
phone:
www.sennheiser-hearing.com/conversationclearplus
▷ Connect your smartphone to the earbuds using Bluetooth (> 15).
▷ Start the Conversation Clear app.
▷ Follow the instructions in the app.
The earbuds can only be paired with Bluetooth devices when
connected to the Conversation Clear app.
Conversation Clear
“Sennheiser Conversation Clear”
Using the earbuds
Conversation Clear Plus | 19
Selecting suitable ear adapters and ear
fins for optimum fit of the earbuds
The perceived sound quality including bass performance, the best
possible noise cancellation, the best speech quality in Communica-
tion mode and during phone calls as well as a secure hold of the ear-
buds in the ears depends to a large extent on the correct fit of the
earbuds. Therefore, you can choose between ear adapters and ear
fins in different sizes.
Silicone ear adapters
▷ Pull the ear adapter away from the in-ear sound tunnel.
▷ When mounting the new ear adapter, make sure that the raised
line in the silicone of the ear adapter is aligned with the white
marking on the support of the in-ear sound tunnel of the earbud.
The correct alignment of the ear adapters ensures proper func-
tion of the earbuds and the best sound quality.
▷ Mount the new ear adapter to the in-ear sound tunnel. Ensure that
it locks into place.
▷ Test which ear adapter size gives you the best sound quality and
the best wearing comfort.
You can choose between 3 different ear adapters in size S, M and
L. The ear adapters must fit snugly in the ear canal and com-
pletely seal your ears.
LMS
Using the earbuds
20 | Conversation Clear Plus
Silicone ear fins
▷ Carefully remove the ear fin from the earbud housing.
▷ Assign the right and left ear fin to the right and left earbud (see
embossing on the bottom).
▷ Align the recess on the ear-facing side of the ear fin ring over the
microphone on the top of the earbud and slip the ring over the
earbud housing. Make sure that the ear fin ring does not cover the
microphone.
▷ Make sure the ear fin ring fits neatly into the duct on the earbud
housing.
▷ Test which ear fin size gives you the best fit and the best wearing
comfort.
You can choose between 2 different ear fins in size M and L. The
ear fin holds the earbud securely in the back of the ear. If you do
not want to use an ear fin, put size S on the earbud.
RightLeft
Using the earbuds
Conversation Clear Plus | 21
Inserting the earbuds into the ears
▷ Assign the right earbud to your right ear and the left earbud to
your left ear.
▷ Insert the earbuds at a slight angle into the ears and twist them
slightly into the ear canal so that they sit comfortably and snugly
in the ear canal. If you are using an ear fin, make sure that the fin
finds support in the auricle (> 19).
You achieve the best sound result when using both earbuds at
the same time. However, if necessary, you can also use the
right or left earbud alone.
If you insert one earbud into the charging case during use, a
short interruption of playback may occur in the other earbud.
1. 2. 3.
Model:
ConCPlus1-R
Model:
ConCPlus1-L
L
R
Using the earbuds
22 | Conversation Clear Plus
Individually adjusting the earbuds with
the Conversation Clear app
With the Conversation Clear app, you can adjust all of the earbud
features, such as volume, noise cancellation and sound clarity, to
your liking.
To be able to use the Conversation Clear app, you require a Sennhe-
iser account. If you do not have a Sennheiser account, you can create
the account during setup.
After the initial login to the Conversation Clear app with your Senn-
heiser account, the app will guide you through the initial setup of the
earbuds.
▷ Follow the instructions in the Conversation Clear app to establish
a connection between the app and your earbuds.
▷ Follow the instructions in the app to create a sound profile.
The app saves your individual settings for volume and sound clar-
ity in the sound profile.
After the initial setup of the earbuds, you can adjust your sound pro-
file at any time.
▷ Open the Conversation Clear app.
▷ Call up your profile from the bottom bar of the app.
▷ Call up the “Sound Profile” management.
▷ Follow the instructions in the app.
You can disconnect the earbuds from the Conversation Clear app at
any time and, for example, connect other earbuds to the app.
If you want to use the disconnected earbuds again, you must recon-
nect the earbuds to the app.
To disconnect the earbuds from the Conversation Clear app:
▷ Open the Conversation Clear app.
▷ Open the earbud settings via the bottom bar of the app.
▷ Disconnect the connection in the app.
To create a new connection between earbuds and Conversation
Clear app:
▷ Open the Conversation Clear app.
▷ Open the earbud settings via the bottom bar of the app.
▷ Start setting up the earbuds and follow the instructions in the
app.
Using the earbuds
Conversation Clear Plus | 23
Switching the earbuds on
▷ Open the lid of the charging case, take out both earbuds and
insert them into your ears (> 21).
The earbuds connect to a paired Bluetooth device within the
transmission range, such as your smartphone with the Conversa-
tion Clear app installed, and are ready to use.
Switching the earbuds off
The earbuds do not have to be switched off explicitly.
▷ Insert the earbuds into the charging case and close the lid to
switch them off.
When the rechargeable batteries of the earbuds are empty, they
are being charged (> 14).
WARNING
Danger due to high volume levels!
Listening at high volume levels can lead to permanent
hearing defects.
▷ Do not continuously expose yourself to high volume
levels.
Using the earbuds
24 | Conversation Clear Plus
Controlling the earbuds
The earbuds can be controlled in two ways using the multi-function
button.
•Button control
Each earbud has a proper button with click feeling in the center
of the button surface. The function of the button depends on
whether you briefly press or hold the button and in which usage
mode you operate the earbuds.
The earbuds can be operated in 3 different usage modes (> 25).
•Tap control
The multi-function button on each earbud has a tap control panel.
To activate functions, tap the earbud frame twice lightly but
clearly. The functions triggered by the tap control are preset for
each earbud.
The multi-function button on the right earbud allows you to pause
and resume playback or, if a voice assistant is activated, to deac-
tivate the voice assistant.
The multi-function button on the left earbud allows you to acti-
vate the voice assistant on your smartphone.
You activate the tap control function by double tapping the hous-
ing of an earbud.
You can also use the multi-function buttons to control the earbuds
during a call, regardless of the usage mode (> 25).
The controls are only active when the earbuds are properly
inserted into the ears.
LRLR
1 x 2 sec
LR
2 x
Using the earbuds
Conversation Clear Plus | 25
Usage modes
The earbuds can be operated in the following usage modes:
•In Relax mode, only the active noise cancellation ANC is active.
•The Communication mode emphasizes ambient sounds particu-
larly clearly and distinctly.
•In Stream mode, you can play back music.
Using the multi-function button
1. Relax mode
2. Communication mode
3. Stream mode
Operation Left earbud Right earbud
Short-press 1x
Reduces the ambi-
ent volume
Increases the
ambient volume
Press for 2 sec –
Communication
mode
Double tap
Activates the
voice assistant
Starts/pauses
playback or deac-
tivates the voice
assistant
Operation Left earbud Right earbud
Short-press 1x
Reduces the
volume of commu-
nication enhance-
ment
Increases the
volume of commu-
nication enhance-
ment
Press for 2 sec Relax mode
Clarity Boost on/
off
Double tap
Activates the
voice assistant
Starts/pauses
playback or deac-
tivates the voice
assistant
Operation Left earbud Right earbud
Short-press 1x
Ambient sounds
are better audi-
ble, even during
the music stream;
the stream
becomes quieter
Ambient sounds
are less audible
for an undis-
turbed music
stream; the
stream becomes
louder
Press for 2 sec Relax mode
Communication
mode
Double tap
Activates the
voice assistant
Starts/pauses
playback or deac-
tivates the voice
assistant
Short press 1x
Hold 2s
Tap 2 x
Short press 1x
Hold 2s
Tap 2 x
Short press 1x
Hold 2s
Tap 2 x
Using the earbuds
26 | Conversation Clear Plus
4. Control during a call
Adjusting the volume for communication
enhancement
In
Relax and Communication mode, you can use the earbuds to
increase or decrease the ambient volume.
In Stream mode, you can use the earbuds to adjust the ratio of the
volume of the streamed content to the ambient volume. If you
decrease the volume in Stream mode, you can hear ambient sounds
better.
To reduce the volume:
▷ Briefly press the multi-function button on the left earbud.
To increase the volume:
▷ Briefly press the multi-function button on the right earbud.
When the maximum or minimum volume is reached, you hear a mel-
ody.
Operation Left earbud Right earbud
Short-press 1x
• Accepts an
incoming call
•During a call:
Ambient
balancing –
• Accepts an
incoming call
•During a call:
Ambient
balancing +
Press for 2 sec
Rejects the incoming call or ends an
ongoing call
Double tap
Accepts the incoming call or ends an
ongoing call
Short press 1x
Hold 2s
Tap 2 x
WARNING
Danger due to high volume levels!
Listening at high volume levels can lead to permanent
hearing defects.
▷ Do not continuously expose yourself to high volume
levels.
In Stream mode, you can only adjust the volume of the stream
via your connected Bluetooth device. Via the earbuds and the
Conversation Clear app, you simply adjust the ratio of music
and ambient volume.
L
R
1 x 1 x
Using the earbuds
Conversation Clear Plus | 27
Active noise cancellation ANC – using
Relax mode
Due to the wearing style in the ear canal, the earbuds provide effec-
tive passive isolation from ambient sounds. In addition, the earbuds
have an active noise cancellation (ANC) function, which allows you
to reduce ambient sounds to a minimum.
Notes on active noise cancellation
• Continuous low-frequency noise, such as motor or fan noise, is
particularly well suppressed.
• Speech or high-frequency noise is significantly reduced, but can
remain perceptible.
• If unusual (whistling or beeping) noise occurs, take the earbuds
off and put them on again. Make sure that the earbuds properly fit
in your ears and make a good seal with the ear canal.
• To avoid loud, unusual (whistling or beeping) noise and to ensure
proper noise cancellation, do not cover the microphone openings
of the active noise cancellation circuitry located on the outside of
the ear cups.
You can adjust the active noise cancellation ANC to your needs via
the
Relax mode of the Conversation Clear app. Note that you cannot
completely deactivate the active noise cancellation ANC. You can
only adjust how much the ambient sounds are suppressed.
▷ Open the Conversation Clear app.
▷ Select the
Relax mode.
▷ Adjust the desired value for the noise cancellation.
Listening to conversations – adjusting the
Communication mode
With the
Communication mode, you can communicate without
taking the earbuds out of your ears. Conversations sound particu-
larly clear and distinct. This allows you to hear e.g. announcements
in the train or aircraft or to have short conversations.
ON/OFF
Sound Control
Relax Communication
100%
External
Sound
50%
100%
LR
Stream
Using the earbuds
28 | Conversation Clear Plus
To adjust the Communication mode:
▷ Open the Conversation Clear app.
▷ Select the
Communication mode.
▷ Adjust the desired value for the speech volume.
To deactivate the
Communication mode:
▷ Start music playback or activate the
Relax mode.
ON/OFF
Sound Control
Relax
Communication
100%
Speech
Volume
15
100%
LR
Stream
Using the earbuds
Conversation Clear Plus | 29
Using the voice assistant/voice dialing
▷ Double tap the left earbud housing.
The available voice assistant of your smartphone is activated
(*depending on the system or app used on your smartphone: Siri,
Google Assistant, ...).
▷ Ask the voice assistant your question or make a request.
To deactivte the voice assistant:
▷ Double tap the right earbud housing.
When the voice assistant is deactivated, the earbuds switch back
to the last active usage mode.
Using the Smart Pause function
The earbuds automatically detect whether they are worn in the ear
or removed from the ear.
Music playback pauses when you take both earbuds out of your ears.
Earbud housing Function
Left earbud Double tap
Activates the voice assistant
Right
earbud
Double tap
Deactivates the voice assistant
OFF ON
2 x 2 x
Using the earbuds
30 | Conversation Clear Plus
Controlling music playback
The music playback functions are only available when the earbuds
and the device are connected via Bluetooth. Some smartphones or
music players may not support all functions.
Playing/pausing music
▷ Double tap the right earbud housing.
Adjusting the Stream mode (Ambient
balancing)
With the Conversation Clear app, you can adjust the ratio of the
stream volume to the ambient volume during audio playback by
reducing or increasing the amount of ambient sounds.
▷ Open the Conversation Clear app.
▷ Select the
Stream mode.
▷ Move the slider to adjust the ratio of the volume of the streamed
content to the ambient volume as desired.
When you decrease the volume in
Stream mode, ambient sounds
become more audible.
Right earbud housing Function
Double tap
Plays or pauses music
1 x R
In Stream mode, you can only adjust the volume of the stream
via your connected Bluetooth device. Via the earbuds and the
Conversation Clear app, you simply adjust the ratio of music
and ambient volume.
Sound Control
Relax Communication
100%
External Audio
100%
LR
Bluetooth Stream
Stream
Using the earbuds
Conversation Clear Plus | 31
Making calls using the earbuds
The call functions are only available when the earbuds and the
smartphone are connected via Bluetooth.
Some smartphones and telephony apps (e.g. WhatsApp, MS Teams,
WeChat) may not support all call control functions.
During a call, you can use the right and/or left earbud to control the
call functions.
Making a call
▷ Dial the desired number on your smartphone.
If your smartphone does not automatically transfer the call to the
earbud, select “ConCPlus1” as the output device on your smart-
phone (see the instruction manual of your smartphone if neces-
sary).
Accepting/rejecting/ending a call
If your earbuds are connected to a smartphone and you receive a
call, you hear a ring tone in the earbuds.
If you are playing music when you receive a call, the music pauses
until you end the call.
Right or left multi-function
button
Function
Press 1x
During a call:
Ambient balancing
In case of an incoming call:
Accepts a call
Double tap In case of an incoming call:
Accepts a call
During a call:
Ends a call
Press for
2 sec
During a call:
Ends a call
In case of an incoming call:
Rejects a call
Using the earbuds
32 | Conversation Clear Plus
Suppressing or allowing ambient sounds during a call (Ambient
balancing)
During a call, you can use the multi-function buttons on the earbuds
to adjust how much ambient sounds you hear.
To increase the suppression of ambient sounds:
▷ Briefly press the multi-function button on the right earbud.
To reduce the suppression of ambient sounds:
▷ Briefly press the multi-function button on the left earbud.
Displaying the battery charge status
When the earbuds are connected to your Bluetooth device, the bat-
tery charge status can be displayed on the screen of your smart-
phone or device (depending on the device and operating system
used).
The Conversation Clear app also displays the charge status of the
rechargeable batteries of the earbuds and the charging case.
Displaying the battery charge status using the charging case
When a USB cable is connected, the LED display of the charging
case permanently displays the charging process:
When no USB cable is connected to the charging case:
▷ Open or close the lid of the charging case.
The LED display of the charging case displays the battery charge
status for 15 seconds.
LED Status
flashes red
... charging case is being charged
... charge status < 10 %
flashes green
... charging case is being charged
... charge status > 10 %
lights up green ... charging case is fully charged
lights up red ... charging error/battery error (> 35)
LED Status
flashes red for
15 sec
... Charge status < 10 %
lights up green
for 15 sec
... charge status > 10 %
... charging case is fully charged
lights up red ... charging error/battery error (> 35)
15s
Using the earbuds
Conversation Clear Plus | 33
Adjusting the acoustic feedback
To be able to adjust the acoustic feedback (signal tone and melody),
you require the Conversation Clear app (> 18).
You can deactivate the acoustic feedback with a few exceptions (e.g.
rechargeable battery is empty). Note that both earbuds must be
switched on to adjust the settings for both earbuds (right and left).
Storing or transporting the earbuds in the
charging case
Store the earbuds in the charging case to prevent damage to the ear-
buds when not in use or during transport. The earbuds are automat-
ically charged in the charging case so you always have the full bat-
tery life to work with.
▷ Open the charging case by overcoming a slight magnetic resis-
tance and insert the left earbud into the left charging compart-
ment and the right earbud into the right charging compartment.
The earbuds are magnetically pulled into the charging compart-
ments.
▷ Close the lid of the charging case.
Care and maintenance of the earbuds/charging case
34 | Conversation Clear Plus
Care and maintenance of the
earbuds/charging case
▷ Only clean the charging case with a soft, dry cloth.
▷ Clean the earbuds with a slightly damp cloth.
▷ You can clean the silicone ear adapters and silicone ear fins under
lukewarm running water. Let the ear adapters and ear fins dry at
room temperature for at least 12 hours before re-attaching them
to the earbuds.
▷ Clean the charging contacts on the earbuds and in the charging
case from time to time using e.g. a cotton swab.
If the earbuds have gotten wet:
▷ Remove the ear adapters and dry the earbuds and ear adapters
with a dry cloth. If necessary, let the earbuds and ear adapters dry
at room temperature for approx. 12 hours.
CAUTION
Liquids can damage the electronics of the product!
Liquids entering the housing of the product can cause a short-circuit
and damage the electronics.
▷ Keep all liquids far away from the product.
▷ Do not use any solvents or cleansing agents.
Care and maintenance of the earbuds/charging case
Conversation Clear Plus | 35
Replacing the ear adapters and ear fins
For reasons of hygiene, you should replace your ear adapters and ear
fins from time to time. Replacement ear adapters and ear fins are
available on the earbuds' product page at
www.sennheiser-hearing.com/conversationclearplus.
▷ Pull the ear adapter away from the in-ear sound tunnel.
▷ When mounting the new ear adapter, make sure that the raised
line in the silicone of the ear adapter is aligned with the white
marking on the support of the in-ear sound tunnel of the earbud.
▷ Mount the new ear adapter to the in-ear sound tunnel. Ensure that
it locks into place.
▷ Carefully remove the ear fin from the earbud housing.
▷ Slip the new ear fin onto the earbud. Make sure that the latch on
the inside of the ear fin ring is placed in the recess provided on the
earbud housing (> 20).
Information on the built-in rechargeable
battery
Sonova Consumer Hearing ensures and guarantees that the
rechargeable batteries perform at their optimum upon purchase of
the product. If, upon purchase or within the warranty period, you sus-
pect that a rechargeable battery is obviously defective or if a
charging error/battery error is displayed (> 8), stop using the prod-
uct, disconnect it from the power supply system and contact your
Sonova Consumer Hearing partner. Your Sonova Consumer Hearing
partner will coordinate the repair/replacement with you.
Do not return a product with a defective battery to your dealer or
Sonova Consumer Hearing partner unless requested to do so. To find
a partner in your country search at www.sennheiser-hearing.com/
service-support.
At the end of its operational lifetime, this product with its built-in
rechargeable battery must be disposed of separately from normal
household waste. You can find more information here: > 41.
Click
Left
Care and maintenance of the earbuds/charging case
36 | Conversation Clear Plus
Installing firmware updates
Firmware updates can be downloaded free of charge from the Inter-
net using the Sennheiser Conversation Clear app.
▷ Before updating, you have to insert the earbuds into the charging
case. During the update, you must also not take the earbuds out
of the charging case.
▷ Connect your earbuds to your smartphone and start the Conver-
sation Clear app (> 18).
▷ The app provides information on available firmware updates and
guides you through the installation process.
▷ Make sure that the batteries are fully charged before updating (>
14). Avoid connecting or disconnecting the USB power supply
during the update process.
FAQ/If a problem occurs ...
Conversation Clear Plus | 37
FAQ/If a problem occurs ...
If a problem has occurred, proceed in the following order until the
problem is solved and you can use the earbuds again:
1. Insert the earbuds into the charging case and close the lid. Wait
for at least 10 seconds.
2. Connect the earbuds to the Conversation Cleat app to install the
latest firmware (> 36).
3. Check the list of frequently asked questions to see if there is a
solution to the problem (> 37).
4. Contact your Sonova Consumer Hearing partner to solve the
problem (> 37).
Current list of frequently asked questions (FAQ)
Visit the Conversation Clear Plus-Produktseite at
www.sennheiser-hearing.com/conversationclearplus
There you will find a current list of frequently asked questions (FAQ)
and suggested solutions.
Your question has not been answered or the problem persists?
If a problem occurs that is not listed in the FAQ section or if the prob-
lem cannot be solved with the proposed solutions, please contact
your Sonova Consumer Hearing partner for assistance.
To find a partner in your country search at
www.sennheiser-hearing.com/service-support.
Leaving the Bluetooth transmission range
Wireless calling and streaming are only possible in the Bluetooth
transmission range of your smartphone. The transmission range
largely depends on environmental conditions such as wall thickness,
wall composition etc. With a free line of sight, the transmission
range of most smartphones and Bluetooth devices is up to 10 meters.
If you, and therefore the earbuds, leave the Bluetooth transmission
range of the smartphone, the sound quality deteriorates increasingly
until and the connection breaks down completely. If you immediately
re-enter the Bluetooth transmission range, the connection is auto-
matically re-established. If the connection is not automatically re-
established, insert the earbuds briefly into the charging case before
switching them on again.
FAQ/If a problem occurs ...
38 | Conversation Clear Plus
Resetting the charging case
If the function of the charging case is disturbed, perform a reset.
▷ Briefly press the Reset button next to the USB socket. To do so,
use a paper clip, for example.
The charging case is automatically restarted (reset).
Specifications
Conversation Clear Plus | 39
Specifications
True Wireless stereo earbuds
Model: ConCPlus1, ConCPlus1-R, ConCPlus1-L, ConCPlus1-C
Wearing style True Wireless stereo earbuds
Ear coupling ear-canal
Frequency response 20 Hz to 20 kHz
Transducer principle dynamic
Transducer size 12 mm
Sound pressure level (SPL) 100 dB (1 kHz/2 mW)
THD (1 kHz, 94 dB SPL) < 0.5 % (1 kHz/94 dB)
Noise cancellation ANC
Microphone principle analog MEMS
Microphone frequency
response
100 Hz to 10 kHz
Microphone pick-up pattern
(speech and ANC)
1 microphone for ambient awareness
mode
2 microphones for beamforming
during conversations
Power supply built-in lithium rechargeable
batteries:
earbuds (R and L): 3.7 V, 70 mAh,
0.3 Wh
charging case: 3.7 V, 500 mAh,
1.85 Wh
Charging method via
charging case
USB charging via USB-C socket:
5 V , 900 mA;
Operating time up to 9 hrs with rechargeable battery
of the earbud
up to 2 additional charging cycles
with charging case's rechargeable
battery
Charging time of
rechargeable batteries
approx. 5 hours for full charge
15 minutes for 1 hour of playback
Temperature range operation: +0 to +40 °C
charging: +10 to +30 °C
storage: –20 to +60 °C
Relative humidity operation: < 80 %, non-condensing
storage: < 70 %
Magnetic field strength earbuds: 12 mT
charging case: 94 mT
Ingress protection of the
earbuds
splash proof (IPX4)
Weight earbuds: approx. 6 g each
charging case: approx. 55 g
both earbuds and charging case: 58 g
Required app Sennheiser Conversation Clear,
supports Android and iOS, free
Sennheiser account required
Specifications
40 | Conversation Clear Plus
Bluetooth
Version Bluetooth 4.2 compatible, class 1
Transmission frequency 2,400 MHz to 2483.5 MHz
Modulation GFSK, π/4 DQPSK, 8DPSK
Profiles A2DP, HFP
Output power 10 mW (max)
Codec SBC
Device name ConCPlus1
Number of active
connections
2
Manufacturer declarations
Conversation Clear Plus | 41
Manufacturer declarations
Warranty
Sonova Consumer Hearing GmbH gives a warranty of 24 months on
this product.
For the current warranty conditions, please visit our website at
www.sennheiser-hearing.com/warranty or contact your Sonova
Consumer Hearing partner.
In compliance with the following requirements
• General Product Safety Directive (2001/95/EC)
•Compliant to Sound Pressure Limits according to country spe-
cific requirements
EU declaration of conformity
• RoHS Directive (2011/65/EU)
Hereby, Sonova Consumer Hearing GmbH declares that the radio
equipment type ConCPlus1 (ConCPlus1-R, ConCPlus1-L, ConCPlus1-
C) is in compliance with the Radio Equipment Directive (2014/53/
EU).
The full text of the EU declaration of conformity is available at the fol-
lowing Internet address: www.sennheiser-hearing.com/download.
UK declaration of conformity
• RoHS Regulations (2012)
•Radio Equipment Regulations (2017)
Notes on disposal
• EU: WEEE Directive (2012/19/EU)
• EU: Battery Directive (2006/66/EC & 2013/56/EU)
• UK: WEEE Regulations (2013)
• UK: Battery Regulations (2015)
The symbol of the crossed-out wheeled bin on the product, the bat-
tery/rechargeable battery (if applicable) and/or the packaging indi-
cates that these products must not be disposed of with normal
household waste, but must be disposed of separately at the end of
their operational lifetime. For packaging disposal, observe the legal
regulations on waste segregation applicable in your country.
Improper disposal of packaging materials can harm your health and
the environment.
The separate collection of waste electrical and electronic equip-
ment, batteries/rechargeable batteries (if applicable) and packag-
ings is used to promote the reuse and recycling and to prevent neg-
ative effects on your health and the environment, e.g. caused by
potentially hazardous substances contained in these products.
Recycle electrical and electronic equipment and batteries/recharge-
able batteries at the end of their operational lifetime in order to make
contained recyclable materials usable and to avoid littering the envi-
ronment.
Manufacturer declarations
42 | Conversation Clear Plus
If batteries/rechargeable batteries can be removed without damag-
ing them, you are obliged to dispose of them separately (for the safe
removal of batteries/rechargeable batteries, see the instruction
manual of the product). Handle lithium-containing batteries/
rechargeable batteries with special care, as they pose particular
risks, such as the risk of fire and/or the risk of ingestion in the case
of coin batteries. Reduce the generation of battery waste as much as
possible by using longer-life batteries or rechargeable batteries.
Further information on the recycling of these products can be
obtained from your municipal administration, from the municipal col-
lection points, or from your Sonova Consumer Hearing partner. You
can also return electrical or electronic equipment to distributors who
have a take-back obligation. Herewith you make an important contri-
bution to the protection of the environment and public health.
Trademarks
Apple, iPhone, the Apple logo and Siri are trademarks of Apple Inc.,
registered in the U.S. and other countries. App Store is a service
mark of Apple Inc. The trademark “iPhone” is used in Japan with a
license from Aiphone K.K.
Google Play and the Google Play logo are trademarks of Google LLC.
The Bluetooth® word mark and logos are registered trademarks
owned by Bluetooth SIG, Inc. and any use of such marks by Sonova
Consumer Hearing GmbH is under license.
Other product and company names mentioned in the user documen-
tation may be the trademarks or registered trademarks of their
respective holders.
