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Rechargeable Hearing Aids Sound Amplifier Invisible Hearing Aid Ear Hearing Amplifier Aid Mini Hearing Aid for Deaf/Elderly


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Overview and Specifications:

Product Attribute
Model Number : K88
Origin : US

Max Sound Output:  ≥120 dB
Max Sound Gain:  ≥30 dB
Harmonic Wave Distortion:  ≤15%
Frequency Range:  250~3800 Hz
Input Noise:  ≤50 dB
Battery:  Rechargeable NI-MH
Working Voltage dc1.5V
Working Current: ≤4mA