1. Color: White, Black
2. Bluetooth: 5.3, Chip: JL AC6973D4
3. Battery capacity: charging case 500mAh; Headset 40mAh
4. Use time: 7 hours; Standby time: 180 hours
5. Size: 74*51.5*31mm; Total weight: 59.5g
6. Over-the-ear design, stable and comfortable to wear, charging case with digital power display
7. Support master-slave switching, summoning Siri
