We 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
5.Our Behind the ear haering aid's battery use is 8-10 days. same battery,Other hearing aid use only 3-4 days.
Our hearing aid listen telephone' battery use is 20-25 days.same battery,Other hearing aid use only 8-10 days.
All the above factors effect the Hearing Aid quality
KF-906 Hearing Aid Pocket Model
Max sound output:129±4dB
Sound gain:50±5dB
total harmonec wave
Distortion:≤2-10%
Input noise:≤26dB
Voltage:1.5V(AA)
Current:≤4mA
KF-908 Hearing Aid for listen phone
Let i can hear telephone
Max sound output:129±4dB
Sound gain:60±5dB
total harmonec wave
Distortion:≤2-10%
Input noise:≤26dB
Voltage:1.5V(AA)
Current:≤6mA
KF-909 Behind the Ear Hearing Aid
Max sound output:128±4dB
Sound gain:52±5dB
total harmonec wave Distortion:≤2-10%
Input noise:≤26dB
Voltage:1.5V(A675)
Current:≤2.5mA
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