Hearing Aid – JH-115

– Max Sound Output: 133 ±3dB
– Sound Gain: 37dB ±3 dB
– Total Harmonic Wave Distortion: ≤10%
– Frequency Range: 320-3200Hz
– Input Noise: ≤33±3dB
– Voltage: D.C. 1.5V
– Current: ≤4.5mA