Product parameters:
1. Bluetooth version: V5.0
2. Bluetooth protocol: HFP / A2DP / HSP / AVR CP
3. Charging box battery capacity: 2600mAh
4. Headphone battery capacity: 60mAh
5. Charging box provides charging times: 50 times
6. Standby time: about 160 hours
7. Listening time: about 6 hours
8. Talk time: about 8-10 hours
9. Charging time: 40 minutes
10. Connection distance: 20 meters (obstacle-free)
11. Weight of a single earphone: 4.5g
