1. Bluetooth version: V5.3
2. Chip: Jerry AC6983
3. Battery capacity: charging case 350mAh, earphone 35mAh
4. Use time: 6 hours
5. Standby time: 200 hours
6. Size: 53.8x44.3x21.5mm
7. Weight: 47g
8. Support pop-up windows for Apple mobile phones, charging box/left and right earphones three true power display, touch operation
9. Light weight, easy to carry
10. The earbuds are ergonomically designed for a tight fit and comfortable wearing