Customization: | Available |
---|---|
Customized: | Non-Customized |
Certification: | ISO, CE |
Still deciding? Get samples of US$ 24/Piece
Request Sample
|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Specifications:
Max sound output: 110±5dB
Sound Gain: ≥30dB
Total harmonic wave distortion: ≤10%
Frequency Range: 300Hz ~ 4000Hz
Equivalent Input Noise: ≤40dB
Standard Battery: AG3
Voltage: DC 1.5V
Current: ≤4mA
Package includes:
2 x Adjustable Volume Hearing Aid
4 x AG3 Button Battery
8 x Earplug (different size)
2 x Carrying Case
2 x User Manual
How to use:
* Before using switch the volume to the minimum position.
* Put the ear hook on your ear, plug in the ear plug tightly.
* Turn on the power and adjust the sound volume to get clear sound.
* If you hear the whistling sound, please check whether you have plugged in the ear plug tightly. If it can't be plugged tightly, please change the other size plug.
* Remove the battery if you don't use it for long time.