Hearing Aid (LK208)

Specification:Max Sound Output: 130¡À5dBSound Gain: 45dBTotal Harmonic Wave Distortion: F=1000Hz, 8%Equivalent Input Noise Level: 28dBFrequency Range: 300Hz~4000HzVoltage: 1.5VCurrent: 10.8mABattery Type: AA product offered by Poly Medical And Health Products Factory