1. Bluetooth version: 5.0. Bluetooth chip: JL AC6973.
2. Battery capacity: charging case 200mAh, left and right headset 30mAh.
3. Calls / music time: 4 hours. Standby time: 200 hours.
4. Size: 44.3*44.3*21.5mm. Total weight: 36g.
5. Support Apple mobile phone pop-up window when open charging case, custom page settings, positioning, charging case / left and right headset true battery display, touch function.
6. With charging cable.
7. Voice prompt switching: only supports English, does not support switching.