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Max Sound Output: 120±5 dB
Max Sound Gain: =55 dB
Harmonic Wave Distortion: =5‰
Frequency Range: 300~10000 hz
Input Noise: =30 dB
Battery: Rechargeable Li Battery
Max Working Hours with Standard Battery: 80 h
Working Voltage: D.C 1.5V Working Current:=1.5mA Net Weight:66g(without Battery) Rechargeable Bluetooth(Optional)
Hearing aid
Anhui Dudeli Electronics Co.,Ltd
