Hearing Aid - Ear Amplifier Power

Feature :

1,mini hearing enhancer analog hearing aid
2,Easy operation
3,Low noise , Light weight
4,Adjustable volume control
5,Fancy design and New style
6,Nice small gift box packing
7,Comfortable wearing in either ear

Max Sound Output:110±5dB
Sound Gain:>=50dB
Total Harmonic /Wave Distortion:≤5%
Frequency Range:300-4000Hz
Input Noise:<= 30dB
Voltage:D.C.1.5V
Current:<=4mA
Battery size:A312/ AG3

Hearing Aid / micro power amplifier ear. Used for hearing impaired but audio spy.