Latest Mini Sale Buy Cheap Price Analog Ear Unseen Invisible Amplifier Deaf Earphone Rechargeable Amazon Hearing Aid Case Black

Our factory have 12 years experience in making the Hearing Aid. By now we have developed the Hearing Aid to have the function of answering phone. All the products we are making can match the US ANSI92 and IEC-118-7/94 standard. We also have the advanced international 6500-CX Hearing Aid Auto Analyzer to control the production process.Use our hearing aids,hearing loss of 65% of the poeple will still hear voices outside.

There are some important indexes for a Hearing Aid.
1. power increasing range
2. stability of output signal and timbre disposal
3. Max distortion index and disposal function
4. earphone quality