Ear High Performance Amplifier

Easy operation
A key switch, a key to adjust the volume,
the user can according to need to adjust
the volume size, watch it and you understand
Low frequency noise
control
Form suitable for the frequency response of
slope type hearing loss output, a wide range
of accuracy and effective sound control, able
to go outside all kinds of noise
Convenient to carry
Small hearing aid, convenient to carry, go
out communication Unimpeded
Body pocket

Battery model is AA , easily change the battery

Max Sound Output: 130±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: AA