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Xiaolan town,760,zhongshan,China China
Persona de contacto Ms. Dora lai
Dirección Xiaolan town, 760, zhongshan
Max Sound Output: 130 5 dB Max Sound Gain: 50 dB Harmonic Wave Distortion: 5 Frequency Range: 300~4000 hz Input Noise: 30 dB Battery:
Hight quality hearing aid, the receiver is made by knowles Max Sound Output: 130 5 dB Max Sound Gain: 50 dB Harmonic Wave Distortion: 5 Fre
Max Sound Output: 130 5 dB Max Sound Gain: 50 dB Harmonic Wave Distortion: 5% Frequency Range: 300~4000 hz Input Noise:
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