1. Bluetooth version: V4.1+EDR
2. Chipset: MTK
3. Transmission power: Class2
4. Transmission frequency: 2.4GHz
5. Transmission distance: 10 meters or more
6. Call time: 4 hours
7. Standby time: 120 hours
8. Support protocol: A2DP/AVRCP/HSP/HFP
9. Support multi-point connection, can connect 2 devices at the same time
