1. Headset Wireless specification: Wireless V4.1.
2. Support protocol headset, hands-free, A2DP, AVRCP, HSP, HFP, therefore it is wide compatible.
3. Transmission scope is 10m, hence it is convenient for hands-free use.
4. Transmission frequency: 2.4GHz, charging voltage is DC5V, so charging time is only 1.5 hours.
5. Talk time is over 4 hours, music time is over 3 hours, standby time is over 55 hours, battery capacity is 50mAh.
6. Power level display, support Apple iPhones and partial Android mobile phones.
7. Support multi-point connection function, thus you can connect two mobile phones simultaneously.
8. Four kinds of language support –  Chinese, English, French and Spanish, default English.
9. Intelligent voice number reporting, intelligent standby.