1. Bluetooth 5.3, chip: JL 7003D4
2. Battery capacity: charging case 500mAh, earphones 90mAh
3. Use time: 10 hours
4. Size: 105x70x30mm
5. Net weight: 98.5g
6. Support master-slave switching and summon Siri
7. OWS open earphones, not in-ear hanging wear
8. Charging case with digital display, the remaining power is clear at a glance