Description
Over-the-counter hearing aids, no prescription required.
Portable Mini CIC Digital Invisible Hearing Aids
Ear Sound Amplifier
In the Ear Tone Volume Adjustable Hearing Aids
Product Description:
1. Intelligent Noise Reduction
2. Lightweight
3. Comfortable Listening
4. Trimmer VCe: vc becomes 0- max
Max saturation sound pressure level(SSPL):114dB
HFA-SSPL90: 107dB
Peak Gain :39dB
HFA Full-on Gain :34dB
Frequency range:200Hz~7200Hz
Total Harmonic Distortion(THD):
F=500HZ 2% F=800H 1% F=1600H 0.4%
Working current:1.36mA
Equivalent input noise:27.6 dB
Note：
There are Whistle as you put the battery into the hearing aid .
Please donot worry .because the air presure will make Whistle.
1.Please adjust lower volume .
2.Choose the suitable ear plug
3.Make sure if you put the earplug tightly,sound leak will make the Whistle.
Product List:
1. A set of airtight earplugs (large, medium and small);
2. One A10 battery;
3. 5 cerumen protectors
4. A cleaning brush
5. A copy of the manual
7. A storage box
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