Specification:
Model:F-139 BTE Hearing Aid
Max Sound Output: 129dB 4dB
Max Sound Gain: 50dB 5dB
Total Harmonic Distortion: ≤5%
Frequency Range: 450~3500 hz
Equiv Input Noise: ≤30 dB
Battery: AG13 Button Battery or A675(Zinc Air Battery)
Working Voltage D. C. 1.5V
Working Current: ≤4 mA
Max Sound Output: 129dB 4dB
Max Sound Gain: 50dB 5dB
Harmonic Wave Distortion: ≤5%
Frequency Range: 450~3500 hz
Input Noise: ≤30 dB
Battery: AG13
Working Voltage dc1.5V
Working Current: ≤4 Ma
Measurement: 45*44*9.5mm
Net Weight: 8g
Package Included:
1 x Hearing Aids
2 x AG3 Button Cells
1 x Instruction Manual
1 x Case
4 x Units of earplug of different size