Portable Adjustable Tone Hearing Aid, Small Invisible In-Ear Type Best Sound Amplifier – Brown

Price:
US$10.35

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Overview and Specifications:

Features:
Light Small Sound Amplifier Adjustable Tone ITE Hearing Aid
When you see the film, watch the play, have meeting, or have classes, this product can help you to hear the sound clearly and loudly
Made of durable soft plastic material that comfortable
While in forest, if you want to hear very slight sound, it will be a good choice
It can be used for sound amplifier
Max sound output: 110±5dB
Sound gain: ≥30dB
Total Harmonic Wave Distortion: ≤10%
Frequency range: 300-4000Hz
Input noise: ≤40dB
Voltage: DC 1.5V
Current: ≤4mA
Note:
1.It is forbidden to used by those patients with tympanitis or ear pyogenesis.
2.Don't use it at high volume for long time. Otherwise it will injure your ear If you feel uncomfortable, please stop using
3.Please maintain the products all the time, avoid ear plug and sound collecting hole being blocked by foreign objects. It will affect the effect of sound amplifier
4.Avoid shocking, falling the product. Don't keep or use it in environment of humid or high temperature
5.Don't throw the scrapped battery as common rubbish, it should be handled by special equipment
6.Please take out the battery if don't use it for a long time. Otherwise the components will be rotted by time. Rotten liquid from battery
7.Don't use the product in potential explosive or dangerous environment
8.Keep the unit away from the children. It will injure him or others, or damage the unit
Powered by AG3 or A312 zinc air  battery

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