OWNER’S GUIDE
QUIETCOMFORT
®
35
2 - ENGLISH
IMPORTANT SAFETY INSTRUCTIONS
Please read and keep all safety, security, and use instructions.
Bose Corporation hereby declares that this product is in compliance with the essential requirements and other
relevant provisions of Directive 2014/53/EU and all other applicable EU directive requirements. The complete
declaration of conformity can be found at: www.Bose.com/compliance
WARNINGS/CAUTIONS
• Do NOT use the headphones at a high volume for any extended period.
– To avoid hearing damage, use your headphones at a comfortable, moderate volume level.
– Turn the volume down on your device before placing the headphones in/on your ears, then turn the volume up
gradually until you reach a comfortable listening level.
• Do NOT use your headphones while driving for phone calls or any other purpose.
• Do NOT use the headphones with noise canceling on at any time the inability to hear surrounding sounds may present
a danger to yourself or others, e.g., while riding a bicycle or walking in or near trac, a construction site or railroad,
etc.
– Remove the headphones, or use the headphones with noise canceling o and adjust your volume, to ensure you can
hear surrounding sounds, including alarms and warning signals.
– Be aware of how sounds that you rely on as reminders or warnings may vary in character when using the
headphones.
• Do NOT use the headphones if they emit any loud unusual noise. If this happens, turn the headphones o and contact
Bose customer service.
• Remove headphones immediately if you experience a warming sensation or loss of audio.
• Do NOT use mobile phone adapters to connect headphones to airplane seat jacks, as this could result in injury or
property damage due to overheating.
• Do NOT use the headphones as aviation communication headsets.
Contains small parts which may be a choking hazard. Not suitable for children under age 3.
This product contains magnetic material. Consult your physician on whether this might aect your implantable
medical device.
• To reduce the risk of fire or electrical shock, do NOT expose this product to rain, liquids or moisture.
• Do NOT make unauthorized alterations to this product.
• Use this product only with an agency approved power supply which meets local regulatory requirements (e.g., UL,
CSA, VDE, CCC).
• Do not expose products containing batteries to excessive heat (e.g. from storage in direct sunlight, fire or the like).
ENGLISH - 3
REGULATORY AND LEGAL INFORMATION
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and
used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference
to radio or television reception, which can be determined by turning the equipment o and on, the user is encouraged
to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit dierent from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
Changes or modifications not expressly approved by Bose Corporation could void the user’s authority to operate this
equipment.
This device complies with part 15 of the FCC Rules and with ISED Canada license-exempt RSS standard(s). Operation
is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must
accept any interference received, including interference that may cause undesired operation.
This device complies with FCC and ISED Canada radiation exposure limits set forth for general population. It must not be
co-located or operating in conjunction with any other antenna or transmitter.
Meets IMDA Requirements.
CAN ICES-3(B)/NMB-3(B)
Management Regulation for Low-power Radio-frequency Devices
Article XII
According to “Management Regulation for Low-power Radio-frequency Devices” without permission granted by the
NCC, any company, enterprise, or user is not allowed to change frequency, enhance transmitting power or alter original
characteristic as well as performance to an approved low power radio-frequency devices.
Article XIV
The low power radio-frequency devices shall not influence aircraft security and interfere legal communications; If found,
the user shall cease operating immediately until no interference is achieved. The said legal communications means radio
communications operated in compliance with the Telecommunications Act.
The low power radio-frequency devices must be susceptible with the interference from legal communications or ISM
radio wave radiated devices.
For Europe:
Frequency band of operation 2400 to 2483.5 MHz.
Maximum transmit power less than 20 dBm EIRP.
Maximum transmit power is below regulatory limits such that SAR testing is not necessary and exempt per
applicable regulations.
Please dispose of used batteries properly, following local regulations. Do not incinerate.
This symbol means the product must not be discarded as household waste, and should be delivered to an
appropriate collection facility for recycling. Proper disposal and recycling helps protect natural resources, human
health and the environment. For more information on disposal and recycling of this product,
contact your local municipality, disposal service, or the shop where you bought this product.
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REGULATORY AND LEGAL INFORMATION
Removal of the rechargeable lithium-ion battery in this product should be conducted only by a qualified
professional. Please contact your local Bose retailer or see products.bose.com/static/compliance/index.html
for further information.
Names and Contents of Toxic or Hazardous Substances or Elements
Toxic or Hazardous Substances and Elements
Part Name
Lead
(Pb)
Mercury
(Hg)
Cadmium
(Cd)
Hexavalent
(CR(VI))
Polybrominated
Biphenyl
(PBB)
Polybrominated
diphenylether
(PBDE)
PCBs X O O O O O
Metal Parts X O O O O O
Plastic Parts O O O O O O
Speakers X O O O O O
Cables X O O O O O
This table is prepared in accordance with the provisions of SJ/T 11364.
O: Indicates that this toxic or hazardous substance contained in all of the homogeneous materials for this part
is below the limit requirement of GB/T 26572.
X: Indicates that this toxic or hazardous substance contained in at least one of the homogeneous materials
used for this part is above the limit requirement of
GB/T 26572.
Date of Manufacture: The eighth digit in the serial number indicates the year of manufacture; “0” is 2010 or 2020.
China Importer: Bose Electronics (Shanghai) Company Limited, Part C, Plant 9, No. 353 North Riying Road, China
(Shanghai) Pilot Free Trade Zone
EU Importer: Bose Products B.V., Gorslaan 60, 1441 RG Purmerend, The Netherlands
Taiwan Importer: Bose Taiwan Branch, 9F-A1, No. 10, Section 3, Minsheng East Road, Taipei City 104, Taiwan
Phone Number: +886-2-2514 7676
Mexico Importer: Bose de México, S. de R.L. de C.V., Paseo de las Palmas 405-204, Lomas de Chapultepec, 11000
México, D.F. Phone Number: +5255 (5202) 3545
The CMIIT ID is located on the inside surface of the left earcup.
ENGLISH - 5
REGULATORY AND LEGAL INFORMATIONLEGAL INFORMATION
Security Information
This product is capable of receiving security updates from Bose automatically when connected to the Bose
Connect app. In order to receive security updates via the mobile application, you must complete the product
setup process in the Bose Connect app. If you do not complete the setup process, you will be responsible
for installing security updates that Bose makes available via btu.Bose.com
Apple, the Apple logo, iPad, iPhone, and iPod 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.
Use of the Made for Apple badge means that an accessory has been designed to connect specifically to the Apple
product(s) identified in the badge, and has been certified by the developer to meet Apple performance standards. Apple
is not responsible for the operation of this device or its compliance with safety and regulatory standards.
Google, Android, and Google Play 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 Bose Corporation is under license.
The N-Mark is a trademark or registered trademark of NFC Forum, Inc. in the United States and in other countries.
Bose, Bose Connect, Bose Home Speaker, Bose Music, Bose Portable Home Speaker, Bose Smart Soundbar,
Bose Soundbar, QuietComfort and SimpleSync are trademarks of Bose Corporation.
Bose Corporation Headquarters: 1-877-230-5639
©2020 Bose Corporation. No part of this work may be reproduced, modified, distributed or otherwise used without
prior written permission.
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CONTENTS
Getting Started
Unpacking ............................................................................................................................ 9
Headphone components ................................................................................................ 10
Powering on your headphones .................................................................................... 11
The Bose
®
Connect App
Features ........................................................................................................................ 12
Charging the Battery
Connecting the USB cable ............................................................................................ 13
Checking the battery ....................................................................................................... 13
Headphone Status Indicators
Bluetooth® indicator ( ) ....................................................................................... 14
Battery indicator ( ) ............................................................................................. 14
Voice Prompts
Pre-installed languages .................................................................................................. 15
Changing the language .................................................................................................. 15
Bluetooth
®
About Bluetooth® wireless technology ..................................................................... 16
Choosing your pairing method ............................................................................ 16
Pairing your Bluetooth® device .................................................................................... 17
Pairing your Bluetooth® device with NFC ................................................................ 18
Disconnecting a Bluetooth® device ............................................................................ 19
Reconnecting a Bluetooth® device ............................................................................. 19
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CONTENTS
Noise Cancelling
About noise cancelling ................................................................................................... 20
Using noise cancelling only ................................................................................... 20
Managing Multiple Connections
Switching between two connected Bluetooth® devices ............................ 21
Identifying connected Bluetooth® devices ...................................................... 21
Connecting a Bluetooth® device from the headphone pairing list ........ 21
Clearing the headphone pairing list .................................................................. 21
Headphone Controls
Media playback and volume functions ..................................................................... 22
Call functions ...................................................................................................................... 23
Connecting Headphones Using a Cable
Using the back-up audio cable .................................................................................... 24
Connecting to airline audio systems ......................................................................... 25
Connecting to dual output connectors ............................................................ 25
Connecting to a single output connector ....................................................... 25
Connecting Bose Products
Connecting to a Bose Home Speaker or Soundbar ............................................. 26
Benefits ......................................................................................................................... 26
Compatible products............................................................................................... 26
Connecting using the Bose Music app ............................................................. 27
Reconnecting to a Bose Home Speaker or Soundbar ........................................ 27
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CONTENTS
Care and Maintenance
Storing your headphones .............................................................................................. 28
Cleaning your headphones ........................................................................................... 28
Replacement parts and accessories .......................................................................... 29
Limited Warranty .............................................................................................................. 29
Technical Information ...................................................................................................... 30
Serial Number Location .................................................................................................. 30
Troubleshooting ..................................................................................................... 31
ENGLISH - 9
GETTING STARTED
Unpacking
Carefully unpack the carton and confirm that the following parts are included:
Bose® QuietComfort® 35 wireless headphones Carry case
USB charging cable Back-up audio cable Airline
adapter
If any part of the headphones appears to be damaged, do not attempt to use it.
Contact your authorized Bose dealer immediately or call Bose customer service.
For contact information, refer to the quick start guide in the carton.
10 - ENGLISH
GETTING STARTED
Headphone components
USB charging
connector
Headphone controls
Back-up
audio cable
connector
NFC touchpoint
Power/Bluetooth
button
(three-position)
Battery and
Bluetooth®
indicators
Microphone
ENGLISH - 11
GETTING STARTED
Powering on your headphones
Slide to the right.
The battery indicator glows green, amber, or red (to indicate the current battery
charge level). When powered on, noise cancelling is fully enabled.
Note: If the battery is depleted, you cannot use noise cancelling.
For more information on noise cancelling, see page 20.
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THE BOSE® CONNECT APP
Enhance your headphones with the Bose® Connect app.
Features
• Unlock the full potential of your headphones.
• Free app compatible with most Apple and Android™ systems.
• Easily connect and switch between multiple Bluetooth® devices with a single swipe.
• Keep your headphones up-to-date with the latest software.
• Customize headphone settings, like voice prompt language and hibernation mode.
ENGLISH - 13
CHARGING THE BATTERY
Connecting the USB cable
1. Plug the small end of the USB cable into the micro-USB connector on the
right earcup.
2. Plug the other end into a USB wall charger or computer that is powered on.
While charging, the battery indicator blinks amber.
When the battery is fully charged, the battery indicator glows green. A full charge
powers the headphones for up to 20 hours when connected wirelessly and 40 hours
when connected with a wire.
Checking the battery
Each time you power on the headphones, the voice prompt announces the headphone
battery charge level. To visually check the battery, the indicator is l ocated on the right
earcup.
While the headphones are in use, the battery indicator blinks red when the
battery needs charging. For more information, see “Headphone Status Indicators” on
page 14.
If you are connected to an Apple device, the device displays the headphone battery
charge level near the upper right corner of the screen.
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HEADPHONE STATUS INDICATORS
The battery and Bluetooth® indicators are located on the right earcup.
Bluetooth indicator
Battery indicator
Bluetooth® indicator ( )
Indicator activity
System state
Blinking blue Ready to pair
Blinking white Connecting
Solid white (10 seconds) then
powers o
Connected
Battery indicator ( )
Indicator activity
System state
Solid green Medium to full charge
Blinking amber Charging
Solid amber Low charge
Blinking red Need to charge
Solid red Charging error; out of temperature range
ENGLISH - 15
VOICE PROMPTS
Voice prompts guide you through the Bluetooth® pairing and connecting processes.
Pre-installed languages
• English • German • Korean • Swedish
• Spanish • Mandarin • Italian • Dutch
• French • Japanese • Portuguese
Check for additional languages
Additional languages may be available. To check for language updates,
download the Bose® Updater.
Visit: btu.Bose.com
Changing the language
1. Press and hold and simultaneously until you hear the voice prompt for the first
language option.
2. Press or to scroll through the languages.
3. When you hear your language, press and hold to select.
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BLUETOOTH®
About Bluetooth
®
wireless technology
Bluetooth® wireless technology lets you stream music from Bluetooth smartphones,
tablets, computers or other audio devices to your headphones. Before you can stream
music from a Bluetooth device, you must pair the device with your headphones.
Choosing your pairing method
You can pair your Bluetooth® device with your headphones using Bluetooth wireless
technology or Near Field Communication (NFC).
What is NFC?
NFC is a technology that enables Bluetooth devices to establish wireless communication
with each other by simply touching the devices together. Refer to your device owner’s
guide to see if your model supports NFC.
If your Bluetooth device does not support
NFC or if you are unsure:
Follow the instructions for Bluetooth pairing
on page 17.
If your device supports Bluetooth pairing
via NFC:
Follow the instructions for NFC pairing on
page 18.
Note: If your device supports Bluetooth pairing via NFC, you can use either
pairing method.
ENGLISH - 17
BLUETOOTH®
Pairing your Bluetooth
®
device
1. Slide the Power/Bluetooth® button ( ) to the Bluetooth® symbol ( ) and hold until
you hear “Ready to pair” or the Bluetooth indicator blinks blue.
2. On your Bluetooth device, turn on the Bluetooth feature.
Tip: The Bluetooth menu is usually found in the Settings menu.
3. Select your Bose® QuietComfort® headphones from the device list.
Once paired, you hear “Connected to <device name>” or the Bluetooth indicator
glows solid white.
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BLUETOOTH®
Pairing your Bluetooth
®
device with NFC
1. Power on the headphones.
2. Unlock your device and turn on the Bluetooth® and NFC features. Refer to the
owner’s guide for your device to learn more about these features.
3. Tap the NFC touchpoint on your device to the NFC touchpoint on your headphones.
Your device may prompt you to accept pairing.
Once paired, you hear “Connected to <device name>” or the Bluetooth indicator
glows solid white.
ENGLISH - 19
BLUETOOTH®
Disconnecting a Bluetooth
®
device
• Turn o the Bluetooth
®
feature on your mobile device.
• If your device supports pairing via NFC, tap the NFC touchpoint on your device to the
NFC touchpoint on your headphones.
Note: When you disconnect your Bluetooth® device, noise cancelling
remains enabled.
Reconnecting a Bluetooth
®
device
• When powered on, the headphones try to reconnect with the two most recently con-
nected devices. Make sure the devices are within range and powered on.
• If your device supports Bluetooth® pairing via NFC, tap the NFC touchpoint on your
device to the NFC touchpoint on your headphones.
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About noise cancelling
Noise cancelling reduces unwanted noise providing a clearer, more lifelike audio
performance. You can use noise cancelling while listening to audio, or you can use noise
cancelling only.
Using noise cancelling only
If you want to use noise cancelling only, disconnect your Bluetooth® device
(see page 19). You can also pause or stop audio (see “Headphone Controls” on
page 22).
NOISE CANCELLING
ENGLISH - 21
MANAGING MULTIPLE CONNECTIONS
Your headphones can remember up to eight paired Bluetooth® devices in its pairing list
and can be actively connected to two devices at a time.
Note: You can only play audio from one device at a time.
Switching between two connected Bluetooth® devices
1. Pause audio on your first Bluetooth device.
2. Play audio on your second Bluetooth device.
Identifying connected Bluetooth® devices
Slide to and release to hear which device is currently connected.
Connecting a Bluetooth® device from the headphone
pairing list
1. Slide to and release to hear which device is connected.
2. Within two seconds, slide to and release again to connect to the next device in
the headphone pairing list. Repeat until you hear the correct device name.
3. Play audio on the connected Bluetooth device.
Clearing the headphone pairing list
1. Slide to and hold for 10 seconds, until you hear “Bluetooth® device list cleared.”
2. Delete your Bose® QuietComfort® headphones from the Bluetooth list on
your device.
All Bluetooth devices are cleared and the headphones are ready to pair a
new device.
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HEADPHONE CONTROLS
The headphone controls are located on the side of the right earcup.
Volume up
Multi-function button
Volume down
Media playback and volume functions
Function
What to do
Play/Pause
Press
Skip Forward
Press twice quickly.
Fast Forward
Press twice quickly and hold the second press.
Skip Backward
Press three times quickly.
Rewind
Press three times quickly and hold the third press.
Volume Up
Press
Volume Down
Press
ENGLISH - 23
HEADPHONE CONTROLS
23 - ENGLISH
Call functions
Function
What to do
Answer a call Press
End a call
Press
Decline an incoming call
Press and hold for two seconds.
Answer a second incoming call
and put the current call on hold
While on a call, press once.
Decline a second incoming call
and stay on current call
While on a call, press and hold for two seconds.
Switch between two calls
With two active calls, press twice.
Create a conference call
With two active calls, press
Activate voice control
Press and hold
Refer to the owner’s guide for your device for more
information.
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CONNECTING HEADPHONES USING A CABLE
Using the back-up audio cable
Use the supplied back-up audio cable in the following situations:
• If the headphone battery is depleted.
• To connect a device that does not support Bluetooth® wireless technology.
• If you cannot use Bluetooth® wireless technology, for example on an airplane.
1. Plug the audio cable into the connector on the left earcup.
2. Plug the audio cable into the connector on your device.
Note: If the headphone battery is not depleted, you can still use noise cancelling by
powering on your headphones.
ENGLISH - 25
CONNECTING HEADPHONES USING A CABLE
Connecting to airline audio systems
You can connect to in-flight audio systems with the back-up audio cable and the
provided dual output connectors. The audio output connections vary, but they typically
have dual or single 3.5 mm output connectors.
WARNING: Do NOT use mobile phone adapters to connect headphones to airplane
seat jacks, as this could result in injury or property damage due to over-
heating.
Note: Airline audio may not equal the high-quality audio you experience from a home
stereo or portable source.
Connecting to dual output connectors
1. Plug the audio cable into the airline adapter.
2. Insert the adapter into the dual output connectors.
Dual 3.5 mm
plugs
Headphone
cord connector
Connecting to a single output connector
1. Pivot the movable plug so that it snaps in place against the airplane adapter.
Movable plug
2. Plug the audio cable into the adapter.
3. Insert the adapter into the single output connector.
Note: If you find that the volume level is too low, remove the adapter and plug the
audio cable directly into the 3.5 mm output connector.
26 - ENGLISH
CONNECTING BOSE PRODUCTS
Connecting to a Bose Home Speaker
or Soundbar
With Bose SimpleSync
TM
smart technology, you can connect the headphones to a Bose
Soundbar or Bose Home Speaker for a personal listening experience.
Benefits
• Use independent volume controls on each product to lower or mute your Bose
Soundbar while keeping the headphones as loud as you like.
• Hear your music clearly from the next room by connecting the headphones to your
Bose Home Speaker.
Note: SimpleSync
TM
smart technology has a Bluetooth® range of 30 ft (9 m). Walls and
construction materials can aect reception.
Compatible products
You can connect the headphones to any member of the Bose Home Speaker family.
Popular compatible products include:
• Bose Smart Soundbar 300
• Bose Soundbar 700
• Bose Soundbar 500
• Bose Home Speaker 500
• Bose Home Speaker 300
• Bose Portable Home Speaker
New products are added periodically. For a complete list and more information, visit:
worldwide.Bose.com/Support/Groups
ENGLISH - 27
CONNECTING BOSE PRODUCTS
Connecting using the Bose Music app
1. On the headphones, slide the Power/Bluetooth® button ( ) to the Bluetooth®
symbol ( ) and hold until you hear “Ready to pair” or the Bluetooth indicator
blinks blue.
2. Use the Bose Music app to connect your headphones to a compatible Bose product.
For more information, visit: worldwide.Bose.com/Support/Groups
Notes:
• Make sure that the headphones are within 30 ft (9 m) of your soundbar or speaker.
• You can connect the headphones to only one product at a time.
Reconnecting to a Bose Home Speaker
or Soundbar
Power on the headphones (see page 11).
The headphones try to connect to the two most recently- connected Bluetooth® devices,
including your soundbar or speaker.
Notes:
• Your soundbar or speaker must be within range (30 ft or 9 m) and powered on.
• If the headphones don’t connect, see “Connecting a Bluetooth® device from the
headphone pairing list” on page 21.
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CARE AND MAINTENANCE
Storing your headphones
The earcups rotate for easy, convenient storage. Place the headphones flat into the case
with the earcups surrounding the two soft dividers.
1. Rotate both earcups inward so they lay flat.
2. Fold the left earcup up towards the headband.
• Be sure to turn o the headphones when not in use.
• Before storing the headphones for more than a few months, be sure the battery is
fully charged.
Cleaning your headphones
The headphones do not require scheduled cleaning. Should cleaning be necessary,
simply wipe the outside surfaces with a soft, dry cloth. Do not allow moisture to get
inside the earcups or the audio input connector. Do not use liquids or sprays.
ENGLISH - 29
CARE AND MAINTENANCE
Replacement parts and accessories
You can purchase accessories from your Bose® dealer, at global.Bose.com, or by placing
an order over the phone.
To contact Bose directly, visit: global.Bose.com or owners.Bose.com/QC35
Limited Warranty
Your headphones are covered by a limited warranty. Visit our website at
global.Bose.com/warranty for details of the limited warranty.
To register your product, visit global.Bose.com/register for instructions.
Failure to register will not aect your limited warranty rights.
30 - ENGLISH
Technical Information
Input Rating: 5VDC 1A
Battery Charge Time: 2.25 hours
Serial Number Location
The serial number is located beneath the right scrim in the back of the earcup. The scrim
is the inner screen which covers and protects the components inside the earcup.
To view the serial number, grab the scrim at the top edge and gently peel it away. Be
careful not to press down on or remove any other components inside the earcup as this
could damage the headphones.
CARE AND MAINTENANCE
ENGLISH - 31
TROUBLESHOOTING
Problem What to do
Headphones do not
power on
• Power on the headphones (see page 11).
• Charge the battery.
Headphones do not
connect with Bluetooth®
device
• Disconnect the back-up audio cable.
• Disconnect the USB charging cable.
• On your Bluetooth device:
- Turn the Bluetooth feature o and then on.
- Delete your Bose® QuietComfort® headphones from the
Bluetooth list on your device. Pair again.
• Move your Bluetooth device closer to the headphones and away
from any interference or obstructions.
• Pair a dierent Bluetooth device (see page 17).
• Visit owners.Bose.com/QC35 to see how-to videos.
• Clear the headphone pairing list: Slide to and hold for
10 seconds. Delete your Bose® QuietComfort® headphones from
the Bluetooth list on your device. Pair again.
Headphones do not pair
with NFC
• Make sure your device supports Bluetooth pairing via NFC.
• Unlock your device and turn on the Bluetooth and NFC features.
• Tap the NFC touchpoint on the back of your Bluetooth device to
the NFC touchpoint on the headphones.
No sound
• Power on the headphones and charge the battery.
• Increase the volume on your headphones, your Bluetooth device
and music source.
• Slide to and release to hear the connected device. Make sure
you are using the correct device.
• Move your Bluetooth device closer to the headphones and away
from any interference or obstructions.
• Use a dierent music source.
• Pair a dierent Bluetooth device (see page 17).
• If two Bluetooth devices are connected, pause your other
device first.
• If two Bluetooth devices are connected, move the devices within
range of the headphones (30 ft. or 10 m).
Poor sound quality
• Use a dierent music source.
• Pair a dierent Bluetooth device.
• Disconnect the second device.
• Move your Bluetooth device closer to the headphones and away
from any interference or obstructions.
32 - ENGLISH
TROUBLESHOOTING
Problem What to do
No audio from a device
connected by the back-up
audio cable
• Power on your device and play music.
• Secure the ends of the back-up audio cable.
• Increase the volume on your headphones, your Bluetooth® device
and music source.
• Connect a dierent device.
Poor sound quality from
a device connected by
audio cable
• Secure the ends of the back-up audio cable.
• Connect another device.
Battery won’t charge
• Secure the ends of the USB charging cable.
• If your headphones have been exposed to high or low
temperatures, let the headphones return to room temperature
and try charging again.
Headphones don’t
connect to a Bose
Home Speaker or
Bose Soundbar
• Make sure the headphones are ready to connect:
Slide the Power/Bluetooth® button ( ) to the Bluetooth® symbol
( ) and hold until you hear “Ready to pair” or the Bluetooth
indicator blinks blue.
• Make sure that your headphones are within 30 ft (9 m) of your
speaker or soundbar.
Headphones don’t
reconnect to a
previously- connected
Bose Home Speaker or
Bose Soundbar
• See “Reconnecting a Bluetooth® device” on page 19.
Delayed audio when
connected to a
Bose Home Speaker or
Bose Soundbar
• Check for available software updates by downloading the
Bose Connect app or visiting btu.Bose.com
ENGLISH - 33
©2020 Bose Corporation,
100 The Mountain Road,
Framingham, MA 01701-9168 USA
AM767952 Rev. 07
