Biometer Rechargeable Ear Sound Amplifier Earsmate Black Hearing Aid
Product Description
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.
Parameters
| Output power | ≤3.6mW |
| Max. sound output | ≤121+5 dB |
| Max.voice gain | 30±5dB |
| 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 |
| Working current | ≤10mA |
| Working voltage | 1.2V |
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