NEW Small Body Hearing Aid Voice Sound Amplifier Cheap Hear Aid Product F-13T
Type:F-13T
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Specifications:
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Max sound output: 130dB ± 5dB
Max Sound Gain: 50±5dB
Total harmonic wave distortion:≤5%
Wide Frequency:300Hz~~4KHz
Input Noise:? ≤30 dB
Voltage: DC 5V±0.5V
Current: 2.5 mA
