Biometer Rechargeable Ear Sound Amplifier Earsmate Black Hearing Aid
The hearing aid adopts a rechargeable Ni-MH battery.
The total harmonic wave distortion is less than 10%.
It can continuously work for about 15 hours.
The maximum sound output is ≤121+5 dB.
|Max. sound output||≤121+5 dB|
|Frequency response range||200–4000Hz|
|Equivalent input noise level||≤45dB|
|Total harmonic wave distortion||≤10%|
|Continuous working time||≤15H|
|Battery capacity||40 mA rechargeable Ni-MH battery|
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