1. Bluetooth version: V4.0， class 2
2. Bluetooth range: 10m
3. Bluetooth protocol: support A2DP and AVRCP
4. Music time: about 7-8 hours
5. Standby time: about 360 hours
6. Frequency range: 2.402~2.480GHz
7. Sensitivity: < 0.1% BERat-80dBm
8. Battery: 3.7/200mAh rechargeable lithium
9. Functions: Bluetooth phone talk， Bluetooth music wireless transmission， redial the last dialed number
10. Color: black

1 x Bluetooth headset
1 x USB cable
1 x English manual
1 x Pair of earbud
In original package