Product name
cheap price Wholesale Digital Bte Hearing Aid
Certificate
CE/ ISO13485, OTC
Battery
Mircro USB Rechargeable battery
Max Sound Output
≤115dB±3dB
Average sound gain
35dB±5dB
Frequency Range
400Hz~5500Hz
Equivalent input noise
≤32dB
Total har-monic wave distortion
≤ 5%
3 listening mode
normal, moderate noise reduction & noise reduction