1. Bluetooth specification Bluetooth V5.0 JL6936D; support protocol Headset Hands-free A2DP Avrcp
3. Charging voltage: DC5V Charging time: about 1.5 hours
4. Battery capacity: 95mAh Size: cable length 82cm; weight: 40g
5. Call / music time: 8 hours; Standby time 200 hours