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Thank you for the purchase of our sound amplifier.
If you find it’s difficult to hearing very well from 
othersa sound amplifier can help you regain your 
hearing so you can livethe life you’re used to.

Wearing a sound amplifier means rediscovering
the pleasure of gathering with friends and family
feeling more confident at work,and enjoying 
movies,music and TV programs.

Specification

1.Max sound output:110±5dB
2.Sound gain:≥30dB
3.Total harmonic wave distortion:≤10%
4.Frequency range:300Hz~4000Hz
5.Input noise:≤40dB
6.Voltage:D.C.1.5V
7.Current:≤4mA