Mini Hearing Aid(K88)
Max Sound Output: 130± 5 dB
Max Sound Gain: ≥ 50 dB
Harmonic Wave Distortion: ≤ 5%
Frequency Range: 300~4000 hz
Input Noise: ≤ 30 dB
Battery: AG5 Button battery
Max Working Hours with Standard Battery: 50 h
Working Voltage: D. C. 1.5V
Working Current: ≤ 4 mA
Measurement: 4.6× 3.8× 0.9 cm
Net Weight: 8 g (without Battery)
Rechargable heaing aid