Description
Features:
1.Max sound output:120±3dB
2.Sound gain: ≥30dB±5dB
3.Total harmonic wave distortion: ≤10%
4.Frequency range:450-4500MHz
5.Input Noise: ≤32dB
6.Voltage: d.c.1.2V
7.Current: ≤2mA
8. About one hour to Full recharging
9. About 12~15 hours working after full recharging
Package contains:
2 x Host
8 x Earplugs
1 x Brush
1 x Manual
1 x Charging stand
1 x Power plug