Pocket Hearing Aid – JH-238

$2,100,000.00

– Max Sound Output: 128DB
– Sound Gain: ≥40dB±5
– Total Harmonic Wave Distortion:≤30%
– Frequency Range: 300-6000Hz
– Input Noise: ≤40dB
– Voltage: D.C. 3V
– Current: ≤8mA

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