Model name :H300
1. TWS Bluetooth headsets.
2. Chipset: REALTEK 5.0
3. Profiles: HSP, HFP, A2DP, AVRCP
4. Wireless range: 10m
5. Drivers: 5mWx2
5. Play time: about 4 hours
6. Talk time: about 4.5 hours
7. Battery: built-in 50mAh li-battery
8. Charge time: about 2 hours
9. Charge dock battery: 500mAh