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NEW Best Sound In-ear Amplifier Super MINI Hearing Aid Aids device Adjustable Tone personal ear care tools High quality Gift


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Overview and Specifications:

Product Attribute
Model Number : K80 Pro
Origin : US

Max Sound Output:                ≥120 dB
Max Sound Gain:                    ≥30 dB
Harmonic Wave Distortion:  f1000Hz≤4%
Frequency Range:                   250~3800 Hz
Input Noise:                              ≤50 dB
Battery:                                      AG3
Working Voltage                     dc1.5V
Working Current:                   ≤4mA