1, Bluetooth 5.4, chip: JL AC6973D4

2. Battery capacity: charging case 400mAh; Headset 35mAh

3. Use time: 6 hours

4. Material: ABS；Size: 64.5*52*31mm; Total weight 54.7g

5. Fully open ear clip design

6. Support master-slave switching, summoning Siri