1. Bluetooth version: 5.0; Bluetooth chip: JL
2. Size: L46*W46*H30mm; weight: 26g
3. Battery capacity: headset 50mAh; charging case 350mAh
4. Talk/music time: 5h; standby: 120h
5. Charging time: earphone: 1h, charging case :2h
6. Mini charging case, two-in-one charging storage