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WK-211 Analog ITE Hearing Aids cheap hearing aid,Analog Hearing Aid
- 1.Maximum Saturation Sound Pressure:110+/-5 dB
- 2.Maximum File Acoustic Gain:>30 dB
- 3.Harmonic Distortion:<10%
- 4.Frequency response:300~4000 hz
- 5.Equivalent Input Noise:<40 dB
- 6.Standard Battery: A312 Zinc Air Button battery
Analog Hearing Aids WK-211
Specifications
1.Maximum Saturation Sound Pressure:110+/-5 dB
2.Maximum File Acoustic Gain:>30 dB
3.Harmonic Distortion:<10%
4.Frequency response:300~4000 hz
5.Equivalent Input Noise:<40 dB
6.Standard Battery: A312 Zinc Air Button battery
7.Working Voltage:D.C. 1.5V
8.Operating Current: <4 mA
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