Circumcision Underwear Protective Ware After Surgery for Postoperative for Children and Adult

Product Description

KF*******8 Behind the ear Hearing aids
Function:
We have *2 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 ANSI*2 and IEC*****7/*4 standard. We also have the advanced international ****-CX Hearing Aid Auto Analyzer to control the production process. Use our hearing aid,hearing loss of *5% of the people 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
5.Our Behind the ear haering aid's battery use is ***0 days. same battery,Other hearing aid use only **4 days.
Our hearing aid listen telephone' battery use is ****5 days.same battery,Other hearing aid use only ***0 days.
All the above factors effect the Hearing Aid quality

KF***6 Hearing Aid Pocket Model

Max sound output: **9dB
Sound gain: *0dB
Total harmonec wave
KF***8 Hearing Aid for listen phone

Max sound output: **9dB
Sound gain: *0dB
Total harmonec wave