Product parameters:
1.Max sound out put:129+/- 3dB
2.Sound gain:>= 38dB+/- 5dB
3.Total harmonic wave distortion:<= 10%
4.Frequency range:450-3000MHz
5.Input Noise:<=29dB +/- 3dB
6.Voltage:d.c.3.7V
7.Current:<=10mA
8. Full charging about 4~6 hours
9. Normal working about 50 hours








Connect better with loved ones--Participate in pleasant conversations with family, friends or co-workers with our hearing aids for adults. Suitable for mild to severe hearing impairment, our hearing devices for elderly people assist in watching TV, on the phone, in normal discourse and more.

Hearing aids for adults is small and light-weight, it‘s fit to wear and more comfortable to use. Different sizes of medical materials domes suitable for everyone, match cleaning tools to extend service life. Ergonomic Design, not easy to fall off. ; you can wear it at will regardless of the left and right ears, The weight of these hearing assistance devices for seniors is only 5g, and will not cause pain, even if worn for a long time.

Rechargeable Hearing Aids:
Hearing amplifier charging about 2 - 4 hours can be full and about 48 hours can be used, hearing assistance devices allows you to easily communicate with others, Provide a "boost" for your better life. (Tips: It is USB rechargeable hearing assist without frequent battery replacement)

Fine Sound Quality Comfortable Listening:New Upgrade digital chip can achieve double noise reduction, which can filter the surrounding noise while amplifying the environmental sound, making the sound clearer; 3 different frequency modes and 4 levels of volume adjustment, suitable for different hearing ranges; hearing amplifiers not only has better double noise reduction and prevent howling, but also has the function of instantaneous strong sound intelligent ear protection.
HOW TO USE HEARING AIDS?
