1.Color: Black,White,Red
2.Bluetooth version: Bluetooth 4.2
3.Job scope: > 10 meters (disabled)
4.Standby time: > 150 hours
5.Life time: > 4~6 hours
6.Charging time: 1-2 hours
7.Support agreement: A2DP, AVRCP, HSP, HFP
8.Frequency response: 20 hz - 20 KHZ
