In-Ear Canal Sound Amplifier Deaf Hearing Aids

Hearing aid, When you watch movie, enjoythe drama, attend meeting, or have classes, the product can help you to hear the sound clearly and loudly. While in forest, if you want to hear very slight sound, it will be a good choice.

* Specification

1) Max sound output:1105Db

2) Sound gain:?30dB

3) Total harmonic wave distorting:?10 ?

4) Frequency range:300-400Hz

5) Input noise: ?40dB

6) Voltage:d.c.1.5V

7) Current: ?4mA