1. Product weight: 5-6g (single earphone).
2. Working time: about 4 hours.
3. Standby time: 200 hours.
4. Charging time: 0.5-1 hour.
5. Single earphone battery capacity: 40mAh.
6. Charging Box Pier: 350mAh.
7. Wireless distance: 10m.
8. Bluetooth Version: Bluetooth 5.0
9. Dustproof performance: IP5X10. Headphone category: True wireless headphonesPackages Included:2 x Earphones1 x Charging Box1 x Charging Cable1 x User Manual