Hearing Aid (F18)
Hearing Amplifier information for you:
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: 5# dry battery
Max Working Hours with Standard Battery: 80 h
Working Voltage: D. C. 1.5V
Working Current: ≤ 4 mA
Measurement: 6.8× 4.5× 2.0 cm
Net Weight: 28 g (without Battery)
Special Function Key: T functions