Origin:China Mainland
Features:
1.Max sound output:129±3dB
2.Sound gain: ≥40±5dB
3.Total harmonic wave distortion: ≤10%
4.Frequency range:350-4500MHz
5.Input Noise: ≤32dB
6.Voltage:d.c.1.2V
7.Current: ≤2mA
6. Charing box:
Include 600mAh
Full charing about 2 hours
OK to hearing Amplifiers recharing about 4 times
7. Hearing Amplifiers:
Include 45mAH
Full charing 4~5 hours
Working time 50 hours /pc
Total working time 400 hours / 2pcs
List:
1 x Main Unit
3 x Earplugs
1 x Brush
1 x User Manual
1 x USB Charging cable
1 x Recharging Bag
