User Manual
Dear customer：
Thank you for choosing our BTE Hearing aids！
The BTE Hearing aids is a very sophisticated electronic equipment which is used for
hearing compensation for the one who has hearing impaired.
This manual will introduce you some basic use methods of BTE Hearing aids and the
solutions of common problems to help you use BTE Hearing aids better. Please read it
carefully and regard it as a user guide.
With any question, please be free to contact the local hearing center or customer
service center.
Frequency Range:2402-2480MHz
Output Power:
BLE: 6.86dBm
BT: 7.51dBm
FCC ID: 2A445FHC9BUP-DW
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1. Overview
1.1 Product Name: BTE Hearing aids
1.2 Product features
The BTE Hearing aids is a digital hearing aid, and has multiple signal
processing channels, adaptive noise reduction management, adaptive feedback
suppression and other functions. BTE Hearing aids is not only suitable for
listening in quiet environment, but also suitable for noisy environment. The
appearance design of the product conforms to the principle of ergonomics and is
comfortable to wear.
1.3 Software version
Software name: Embedded sound processing software based on ultra-low power
DSP
Version: V1
1.4 Data transfer protocol based on product embedded software
Standard BLE communication protocol.
1.5 Operation condition
Temperature：0℃～+40℃
Relative Humidity：≤80﹪
Atmospheric pressure：86KPa~106KPa
1.6 Impact on environment
Please do not randomly abandon the battery after use. Please dispose of the used
batteries according to local regulations.
1.7 Safety
Danger: To avoid explosion, please do not put the BTE Hearing aids into fire or
microwave oven, and so on.
Danger: To avoid being swallowed by children in accident, please keep the BTE
Hearing aids away from children.
This BTE Hearing aids can only be used by people with hearing loss, the rest
cannot be used.
Those who have undergone ear canal surgery are not recommended to buy this
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product directly. They should go to the hearing center to consult with an
audiologist or a doctor before purchasing.
A BTE Hearing aids should not be applied to both ears at the same time. Because
the hearing loss of the right or left ear is different.
In case of battery leakage, please stop using the BTE Hearing aids and contact the
customer service center.
The patient is also the operator for the device.
Only to connect to equipment that conforms with international safety standards, if
externally connected.
Software controlled fitted OSPL90 shall not exceed the selected value as a result
of corrupt data transfer between programmer and BTE Hearing aids.
Special Users:
（1）Children need to wear BTE Hearing aids with the help of adults.
（2）Please consult your doctor before using BTE Hearing aids.
Warning: BTE Hearing aids are able to provide more than 132 dB SPL. The fitted
OSPL90 does not increase if the control is disconnected or defective. It neet to the
BTE Hearing aids professional for RECD measured to correct target of fitted OSPL90.
The BTE Hearing aids should be fitted by the professional operator otherwise there
may be a risk of impairing the remaining hearing of the patient; The BTE Hearing
aids should be only used by the hearing impaired, not by any other.
BTE Hearing aids designed in a way that users cannot be unintentionally exposed
to a SPL above the fitted OSPL90 in normal condition.
2. Technical Specification and Structural Characteristics
2.1 Structure characteristics
This BTE Hearing aids consists of microphone, signal magnify processing circuit,
receiver, multi-functional button, battery, shell and embedded software(v1)
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1、1、Front MIC 2、Back MIC 3、Multi-functional button 4、Shell 5、Ear hook
2.2 Technical Specification
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3. Indication and Target Users
3.1 Indication
Hearing compensation for air conductive hearing loss patients.
3.2 Target Users
Suitable for patients with air-conduct hearing loss, but children under 12 years of
age need to be used under the supervision of an adult.
4. Contraindication
Acute otitis externa, tympanitis, chronic suppurative otitis media (in the period
of purulent infection) and acute suppurative otitis media are not suitable for wearing
BTE Hearing aids. Patients who are allergic to this material.
5. Precautions
5.1 The fitted BTE Hearing aids shall be undergo professional hearing test and
fitting, and shall be used under the professional guidance of doctors or
audiologists.
This product will not restore normal hearing and will not prevent or improve
hearing impairment resulting from organic conditions. This product is designed to
help you make greater use of your remaining hearing. You should keep in mind that it
can take time to become accustomed to hear new sounds.
For best results, using the BTE Hearing aids as much as possible. In most of time,
infrequent use of the BTE Hearing aids doesn’t permit you to attain full benefit from
them.
The use of a BTE Hearing aids is only part of hearing rehabilitation and may
need to be supplemented by auditory training and instruction in lipreading.
It is good practice for a person with a hearing loss to have a medical evaluation
by a licensed physician (preferably a physician who specializes in diseases of the ear).
Licensed physicians who specialize in diseases of the ear are often referred to as
otolaryngologists, otologists, or otorhinolaryngologists. The purpose of a medical
evaluation assure that all medically treatable conditions that may affect hearing are
identified and treated.
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Children with hearing loss ：In addition to seeing a physician for a medical
evaluation, a child with a hearing loss should be directed to an audiologist for
evaluation and rehabilitation. Because hearing loss may cause problems in language,
educational and social development of a child. An audiologist is qualified to assist the
evaluation and rehabilitation of a child with hearing loss.
5.2 Dehumidification
Any form of moisture has an impact on the BTE Hearing aids. dehumidification can
extend the life of the BTE Hearing aids. Avoid using or storage in humid environment,
to dry the BTE Hearing aids on a regular basis.
5.3 Water Prevention
Do not immerse the BTE Hearing aids in any liquid. Remove the BTE Hearing
aids in advance and keep it properly when swimming, bathing, washing hair, washing
face, etc Please wait until the ear canal is dry before wearing your BTE Hearing aids.
after swimming and showering. In case the BTE Hearing aids falls into the water
accidentally, do not dry it in the microwave oven or any dryer. You can dry it with soft
and clean cotton cloth and dry it naturally in a ventilated environment. If there is any
fault, please contact the fitting center where you purchased the BTE Hearing aids or
directly contact the customer service center of our company.
5.4 High Temperature Prevention
Never exposing hearing aids on extreme temperature or prolonged exposure to sunlight.
5.5 Falling Prevention
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BTE Hearing aids are precision electronic devices, which should avoid falling to
the ground or violent vibration and attack.
5.6 Other precautions
Do not wear BTE Hearing aids when receiving short wave hyperthermia, X-ray,
MRI scan, CT scan or similar radiotherapy.
Keep the surface of the BTE Hearing aids neat and clean the earwax in the
earplugs frequently.
The touch button should be used correctly and pressed gently as far as possible to
avoid excessive force.
BTE Hearing aids shall be regularly sent to the fitting center for maintenance and
inspection to ensure that the BTE Hearing aids is in good condition.
Remove the BTE Hearing aids and make sure the earplugs don't stay in the ear.
You should see a hearing care professional if you:
Visible congenital or traumatic deformity of the ear.
History of ear infection or continuous drainage from the ear within the previous
90 days.
Sudden unilateral or bilateral hearing loss onset within the previous 90 days.
Have acute or chronic dizziness, poor dexterity, poor vision, or significant
dementia.
Suspect that you have significant ear wax accumulation or a foreign object in the
ear canal. Symptoms of significant ear wax accumulation can may lead itching in
your ear, a feeling of fullness in your ear, and/or reduced hearing.
Experience pain or discomfort in the ear.
Have a noticeable difference in hearing between ears.
Have sudden onset or rapid worsening of tinnitus (ringing in the ear) in one or
both ears within previoust 90 days.
6. Steps for Wearing and Using BTE Hearing aids
6.1 Left and Right Ear Marking
① When the battery door is opened, grooves appear on the edge of the battery
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door;
② Insert the left (right) ear identification of the identification rod into the groove
of the battery door, and rotate the identification rod. Red is the right ear, blue is
the left ear.
6.2 Insert the battery(zinc-air battery)
① Check the battery model: Please use 13A battery.
② Open the battery door by gently picking the convex part of the battery door
surface with your fingernail;
③ Remove the label on battery and expose it in the air for at least 1 minute;
④ Put the battery in and make sure the remark ‘+’ of battery is in the same
direction with the remark ‘+’ of battery door;
⑤ Close the battery door tenderly;
6.3 ON/ OFF
ON:Take the BTE Hearing aids out of the charging box and it will turn on
automatically.
The BTE Hearing aids will turn off automatically when it is put into the charging
box.
Note: Both ends of the charging line are connected with the power adapter and
the charging box.
operating conditions statements
Charging
box:
Not
charging
The BTE Hearing aids
are outside the
charging box.
None of the indicator lights are on.
Put the BTE Hearing
aids into the
charging box.
When the BTE Hearing aids is charging, the corresponding
charging box indicator light flashes for 10 seconds and then
goes out. After it is fully charged, the indicator light
remains on for 10 seconds and then goes out.
The BTE Hearing aids
are in the charging
box.
Opening the
If the BTE Hearing aids is not fully charged, the
corresponding indicator light will flash for 10 seconds and
then go out. If the BTE Hearing aids is fully charged, the
corresponding indicator light will remain on for 10 seconds
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charging box. and then go out.
Charging
box:
Charging
The BTE Hearing aids
are outside the
charging box.
The four indicator lights flash in proportion (25%, 50%, 75%,
100%), and all four indicator lights light up when the
charging box is fully charged.
The BTE Hearing aids
are in the charging
box.
When the BTE Hearing aids is charging, the indicator light
corresponding to the charging box flashes, and when it is
fully charged, the indicator light remains on constantly.
Short press the charging box
button
--4 indicator light: The battery level of the charging box
is greater than 75%; After four light is normally on 10 seconds
out.
--3 indicator light: charging box power < 75%; The first three
light is normally on out after 10 seconds
--2 indicator light: charging box power < 50%; The first two
light is normally on out after 10 seconds.
--1 indicator light: charging box power < 25%; The first
indicator light remains on for 10 seconds and then goes out.
Battery life:
The BTE Hearing aids can work for more than 16H when the battery is fully charged.
The full charging boxes can charge hearing aids 2 times.
Input:DC5V 500mA, Output:DC5V 25mA, Battery:DC3.7V 400mAh 1.48Wh.
ON: BTE Hearing aids will turn on when close the battery door.
OFF: BTE Hearing aids will turn off when open the battery door.
6.4 Wear BTE Hearing aids
1. BTE hearing aid accessory assembly
Step1 Step2 Step3
2. Steps for wearing BTE Hearing aids
a) Hold the bottom of the acoustic tube with your fingers, and gently
push the earplug into the ear canal;
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b) Pull the ear back with the other hand, and rotate the earplug back
and forth to adjust the earplug position until it is worn in place;
c) Place the BTE Hearing aids behind the ear and close to the head,
with the ear hook hanging comfortably on the ear.
6.5 Remove the BTE Hearing aids
1. Remove the BTE Hearing aids from behind the ear;
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2. Grasp the bottom of the sound tube and gently pull it. After the
earplug is loose, take it out and remove it together with the BTE
Hearing aids.
6.6 Multifunction button
Volume Control:Short press the multifunctional button above to gradually increase
the volume, and press the multifunctional button below to gradually decrease the
volume.
Program Switch:Long press multifunctional button UP, program switch:
P1→P2→P3→P1. Long press multifunctional button Down, program
switch:P1→P3→P2→P1.
6.7 APP Control
① Search for BTE Hearing aids: launch the mobile APP, search for the BTE
Hearing aids, connect the device named.
②Program switch: After entering the connection interface, you can switch
programs.
③Volume control and battery level display: Swipe left to reduce volume, and
swipe right to increase volume. And the connected part shows the battery levels of the
left and right ears.
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④Remote microphone: Once turned on, speak into the phone's microphone and
the hearing aid can hear the sound.
⑤To find a BTE Hearing aids: After clicking, the BTE Hearing aids will emit a
single-frequency sound. When it is turned off, the single-frequency sound disappears.
Bluetooth mixing Settings: enter the interface can adjust the output ratio of audio and
sound environment.
Product information: contains software release version, full version, the firmware
version and equipment information.
⑥Language Settings: Set the language of the APP to Traditional Chinese,
Simplified Chinese and English.
7. Troubleshooting
Fault Reason Solution
Whistling The earphone is not worn
correctly
Too much earwax in the ears
Wear correctly again
Clean earwax
No sound Powered OFF
No battery in the BTE Hearing
aids
Low battery power or no power
Sound hole is blocked by dirt
Ear Dome is blocked by dirt
Power ON
Install battery
Change a new battery
Clean BTE Hearing aids
Clean ear dome
Small
voice
Low volume
Low battery
Hearing aid gets wet
Sound hole is blocked by dirt
Ear Dome is blocked by dirt
Turn up the volume
Change a new battery
Dry the BTE Hearing aids
Clean the BTE Hearing aids
Clean ear dome
High
power
consumpt
BTE Hearing aids are not turned
off when not using
BTE Hearing aids gets wet
Please turn off your BTE Hearing aids when
not in use
Dry the BTE Hearing aids
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ion
Intermitte
nt
voice
Battery failure
Sound hole is blocked by dirt
wax guard is blocked by dirt
Change a new battery
Clean BTE Hearing aids
Clean ear dome
If the above methods still can not solve the fault, please contact the fitting center
where you purchased the hearing aid, or directly contact the customer service center
of our company.
8. Maintenance of BTE Hearing aids
During the use of BTE Hearing aids, earwax (cerumen) produced by the ear will
accumulate in the ear canal and the sound hole of the BTE Hearing aids. A large
amount of accumulated earwax will affect the effect of the BTE Hearing aids, so
please clean your ear canal and maintain the hearing aids every one month.
8.1 Clean ear dome
1. Remove the earplug from the sound tube;
2. Use the small brush (RIC) and cleaning cloth distributed
in the packaging box to clean earwax; Or rinse the earplugs
with clean water.
3. Dry the earplugs and make sure there are no water drops
left. If there are similar tools like blowing balloons, you can
use blowing balloons to blow the water droplets dry.
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8.2 Clean BTE Hearing aids
Please clean the BTE Hearing aids in a soft and clean interface such as towel
to avoid the damage of accidental drop.
Wipe or clean the BTE Hearing aids on a soft desktop (for example, a soft
towel can be placed on the desktop) to avoid damage caused by accidental
dropping of the BTE Hearing aids.
Remember: Do not use any liquid to clean the BTE Hearing aids.
8.3 Dehumidification of BTE Hearing aids
Please put the BTE Hearing aids into a special drying box for drying before going
to bed every night to prolong the service life of the BTE Hearing aids
Remarks: Special drying box shall be purchased separately.
8.4 Vibration prevention of BTE Hearing aids
When you do not need to use a BTE Hearing aids when going out, please put the
BTE Hearing aids into a shock proof box or bag.
9. Electrical Safety Instructions
Classification by anti electric shock type: Internal power supply equipment.
Classification according to the degree of protection against electric shock: Type B
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application part.
For BTE Hearing aids that do not comply with requirements for explosive or
oxygenenriched atmospheres: warning not to use the BTE Hearing aids in such
areas.
For BTE Hearing aids with wireless transmission: warning to check first before
using the BTE Hearing aids system in areas where electronics or wireless devices are
restricted.
Classification by operation mode: Continuous operation equipment.
10. Technical description
The supplier may provide circuit diagrams, component lists, drawing notes,
correction rules, or other data necessary for qualified technicians to help users repair
the serviceable parts designated by the manufacturer.
11. Unpacking and Check
After unpacking, please check the accessiories are consistent according to the list.
Check the product model marked on the warranty card is consistent with that of
the BTE Hearing aids.
12. Warranty of BTE Hearing aids
13.1 Free Warranty Coverage
All BTE Hearing aids produced by our company enjoy free warranty for faults
caused by non-human factors from the date of purchase.
13.2 Warranty Period.
From the date of purchase, it should be non-human damage, free repairs are
given within the warranty time,please check the warranty period on the warranty card.
13.3 Following situations are not covered by the free warranty.
Damage caused by incorrect use or improper operation.
Damage caused by self disassembly and assembly of the hearing aids.
Damage caused by force majeure (flood, fire, earthquake, etc.).
13. Production date and Use period
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It is the normal working time of the product. The product needs to be
stored and used as required, and its expected function will be affected after the
specified usage time (Such as failure to meet product performance indicators).
Hearing aid products have a lifespan of 8 years. The date of manufacture is
shown on the label.
14. Transport and storage restrictions
Humidity:0﹪RH～93﹪RH
Barometric pressure: 86KPa～106KPa
The minimum/maximum storage temperature takes 20 minutes to work
properly.
Storage conditions: normal temperature, clean, protected from light,
non-corrosive gas and well-ventilated room.
Transportation conditions: The packaged hearing aid can be transported
by general cargo transportation methods, and should be protected from rain,
sun and collision during transportation.
15. Symbol Information
Symbol for “User Guide
must be read”
Symbol for “Consult
instructions for use”
Symbol for
“Manufacturer”
Symbol for “Keep dry”
Symbol for “Fragile,
handle with care”
Symbol for “Serial number”
Symbol for “Caution and
warning”
Type B Applied Part
Symbol for “Date of
manufacture”
IP22
IP22: The first number 2:
Protected against solid
foreign objects of 12,5
mm Ф and greater. The
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second number: Protected
against vertically falling
water drops when enclosure
titled up to 15º.
Symbol for “Use-by date”
The harmful substances in
the product meet the
limited requirements.
This marking shown on
the product or its
literature, indicates that
it should not be disposed
of, with other household
wastes at the end of its
working life. To prevent
possible harm to the
environment or human
health from uncontrolled
waste disposal, please
separate this from other
types of wastes and
recycle it responsibly to
promote the sustainable
reuse of material
resources.
Symbol for “Note”
During transport or
storage, the temperature
should not exceed the
limit values of -20° to 50°
Celsius for a long period
of time.
During transport or storage,
the relative humidity should
not exceed the limit values
of 0% to 93% for a long
period of time.
The air pressure range
between 86 and 106 KPa
is appropriate.
Indicates the device is a medical
device
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Indicates a carrier that
contains unique device
identifier information
Indicates a medical device that
needs protection from light
sources
FCC Statement:
Any Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
This device complies with part 15 of the FCC Rules. 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.
The device has been evaluated to meet general RF exposure requirement. The device
can be used in portable exposure condition without restriction.
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 off
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 different from that to which the
receiver is connected.
—Consult the dealer or an experienced radio/TV technician for help.
Manufacture: Austar Hearing Science and Technology (Xiamen) Co., Ltd.
Address: B8, Biomedical Industrial Park, No.2064 Wengjiao West Road, Haicang Dist.
Xiamen, Fujian, China
