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New Best Digital Tone Hearing Aids Aid Behind The Ear Sound Amplifier Adjustable

New Best Digital Tone Hearing Aids Aid Behind The Ear Sound Amplifier Adjustable

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Original price was: $16.00.Current price is: $14.00.

You Save: $2.00 (12.50%)

Description

New Best Digital Tone Hearing Aids Aid Behind The Ear Sound Amplifier Adjustable 1 Pc

Specification:
Convenient wear
Low noise, low distortion;
For people with severe hearing loss;
Product use hearing assistive devices.
The scope of application of gas conduction hearing disorders.
Taboos Otis media or ear suppuration who are disabled.

Features:
Maximum sound output: 130 +_ 5dB
Sound gain: more than 50dB
Total harmonic distortion: less than 5%
Frequency range: 300Hz ~ 40000Hz
Input Noise: less than 30 dB
Operating voltage: 1.5V
Battery model LR44
Current: less than 4mA
Weight: 74g

Instructions:
The wire plug connected to the headset.Then earplug connector (hard) to the headset, earbuds (silica gel) to connect to the headphone connector pedestal
The battery installation: Gently open the battery compartment cover, put a AG13/LR44 battery into the battery compartment in the right direction, then close the battery compartment.
Before you use this item ,you have to turn the O-N switch to O (off), and turn the sound volume to minimum
Then put this item on you ear, keep it tightly
Next, turn this item on (O-N to N), adjust the volume until you hear clear sound

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