Origin:China Mainland
Feature:
1. MAX OSPL90: ≤126±3dB
2 .Harmonic Wave Distortion: ≤10%
3. Frequency Range: 450～5000 Hz
4. Sound gain: ≥30±5dB
5. Battery: Rechargeable NI-MH 40mAh
6. Working Voltage: DC1.2V
7. Input Noise: ≤29±3dB
8. Charing box:
Include 600mAH
Full charing about 2 hours
OK to hearing Amplifiers recharing about 4 times
9. Hearing Amplifiers:
Include 45mAH
Full charing 5~6 hours
Working time 50 hours /pc
Total working time 400 hours / 2pcs
List:
1 x Hearing aid
4 x Earplug
1 x Brush
1 x English Manual
1 x USB Charging Cable
1 x Recharging Bag
