Origin:China Mainland
Features:
1.Max sound output:129+3dB
2.Sound gain: ≥38±5dB
3.Total harmonic wave distortion: ≤10%
4.Frequency range:450-3000MHz
5.Input Noise: ≤29+3dB
7.Current: ≤10mA
8. Charing box:
Include 600mAH
Full charing about 2 hours
OK to hearing Amplifiers recharging about 3 times
9. Hearing Amplifiers:
Include 40mAH
Full charing 2~3 hours
Normal working time about 50 hours/pc
Total working time 300 hours / 2pcs
List:
1 x Host
4 x Earplug
1 x Brush
1 x Manual
1 x Rechargeable bag
1 x Bag charging cable
1 x Adapter
