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digital programmable hearing aid S-215

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digital programmable hearing aid S-215

digital programmable hearing aid S-215

Max Sound Output: 120dB Max Sound Gain: ≥30 dB Equally Gain:≥38 dB Harmonic Distortion: a)≤10%(Frequency< 1000Hz) b) ≤ 4%(Frequency >1000Hz) Frequency Range: ≥300~4000 hz Input Noise: ≤30 dB Battery: ...

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