Specification:
- Chip: AD6973D4
- Bluetooth Version：V5.4
- Driver: 10mm*2
- Earbud Battery: 40mAh*2
- Charging case battery: 300mAh
- Play time: 6H 7. Talk time: 5H
- Standby time: 100H
- Charging time: About 2H
- Operating Distance: 15-20M
