The new mini-a Mini super small Bluetooth Headset Universal Music Mobile phone universal

Reading before ordering) )
1, Bluetooth version: V3.0+EDR
2, the transmission power: Class2
3, the radio frequency: 2.4-2.48GHz
4, the transmission distance: 10 meters
5, the charging time: 1 hours (charging voltage 3.7V)
6, applicable models applicable to all Bluetooth enabled mobile phone universal call
7, Optional color black and white, Pink, Green