1. Bluetooth: JL6963, BT 5.0 version
2. Working frequency: 2.4GHz-2.48GHz
3. Bluetooth protocol: A2DP/AVRCP/HSP/HFP
4. Headphone battery: 35mAh
5. Charging csae battery: 200mAh (with protective plate)
6. Battery life: about 3 hours
7. Standby time: 30 hours
8. Speaker: 13mm
9. Charging port: 8 Pin
10. Charging current: 5V 1A
11. Weight: single earphone 3.6g, including charging case 44g