Features:
Bluetooth headset， compatible with Bluetooth enabled devices， such as mobile phone， tablet PC， etc.
Built-in microphone， allows you to have wireless telephone conversations.
Support English Chinese language switching and voice recognition for call answering and rejecting.
Can connect two cellphones simultaneously， and will not loss any calls.
Sound Control，when a call comes in，you can only say "yes" or" no".
Support music playing control and automatic switch when there is incoming call and voice dialing(requires phone support).
High quality rich sound， good choice for listening to music， talking on the phone， etc.
Build-in li-battery， charge via USB cable within 2 hours.
In-ear design， lightweight and portable.

Specifications:
Color: Black
Bluetooth profiles: HSP / HFP / A2DP / AVRCP
Bluetooth: Bluetooth 4.0 CSR410   
Material: ABS
Effective range: about 10m / 33ft
Standby time: about 130 hours
Phone talking time: about 7 hours
Music time: about 5 hours
Charging time: 2-3 hours
Battery: 50mA
Item weight: Approx. 6g / 0.2oz
Package size: Approx. 9.5 * 7.5 * 2.5cm / 3.7 * 2.9 * 0.9in
Package weight: Approx. 27g / 0.9oz

Package List:
1 * Bluetooth Headset
1 * USB Charge Cable
1 * User manual （English）