701b in-ear hearing aid

Maximum sound output: ≤127dB ±4dB High frequency average: 108dB ±4dB Full range sound gain: 33dB ±5dB Total harmonic distortion: ≤1% Frequency response range: 200Hz ~ 7500Hz Equivalent input noise level: ≤17dB ±2dB Consumption: 2.5mA 8-channel digital high-definition sound quality, adaptive noise reduction system, touch control, hearing aid single endurance 20 hours, with charging box endurance 60 hours

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