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