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Small and Convenient Hearing Aid Aids Best Sound Voice Amplifier Device Behind

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Small and Convenient Hearing Aid Aids Best Sound Voice Amplifier Device Behind

Small and Convenient Hearing Aid Aids Best Sound Voice Amplifier Device Behind

Small and Convenient Hearing Aid Aids Best Sound Voice Amplifier Device Behind the Ear Model:S-217 Hearing aid major features: 1.Max Sound Output: 127±4 dB 2.Max Sound Gain: ≥48 dB±5dB 3.Harmonic Wave ...

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