
Replacing the Batteries:
If, after switching the hearing amplifier on and adjusting the volume
to its highest setting, the sound is still extremely quiet or
there is no sound at all, this indicates that the battery needs to be
replaced.
1. Open the battery compartment and remove the battery.
Note: To avoid damaging the battery compartment, DO NOT
forcibly remove the battery.
2. Place the new battery in the compartment.
a. Positive terminal facing outwards.
b. Negative terminal facing inwards.
3. Only use the standard recommended batteries. (see below)
Specifications:
●General Title of Commodity: BTE B/O Hearing Amplifier
●Standard Frequency: 800~1600Hz
●Battery type: 675/PR44 (up to 100 hours of use) or 357/ LR44 (up to 20 hours of use)
●Continuous Use: around 100 hours
●Max. Output Sound Level Gain: 29+/-5dB
●Size: 20 x 105 x 14mm / Weight: 8g
●Material: <Hearing Amplifier & Carry Case> ABS / <Ear Bud> Silicone
1. If you experience any discomfort while using your hearing amplifier, please consult
with your doctor.
2. Place the hearing amplifier gently in your ear so that you feel comfortable.
DO NOT force it into your ear.
3. In order to safeguard personal hygiene, please do not share your amplifier with
anyone else.
4. The hearing amplifier contains small parts. Keep out of reach of children.
5. When playing intense sports or exercising, please do not wear your hearing amplifier.
6. Please do not wear your hearing amplifier when washing your face,when it is raining
or when there is the possibility of it becoming wet. Also, do not wear it when sleeping.
7. Take out your hearing amplifier when using a mobile phone.
8. Switch off your hearing amplifier when not in use and place it in the carry case and
close the cover. This will prevent unnecessary battery usage and preserve the
battery's life.
9. If you wear any other electronic instrument, such as a pacemaker, etc., you MUST
first get approval from a doctor before using the hearing amplifier.
10. Store the hearing amplifier in a cool place, away from direct sunlight and places of
high humidity.
Important Points