产品描述
1.Wireless transmission distance: CLASS II
2.Battery capacity: 250MAH
3.Frequency range: 20-20KHZ
4.Sensitivity: 95DB
5.Speaker impedance: 32 ohm
6.Speaker Size: 32MM
7.Charing time: 2H
8.Voice Communication working time: 8-10H
9.Bluetooth Music Playing time: 8-10H(Based on two-thirds of the maxium volume)