F808 Bluetooth 5.0 Waterproof Bone Conduction Sport Bluetooth Earphone, F808 (Black), F808 (Blue)

1. Standby time: 140 hours
2. Talk time: about 8 hours
3. Music time: about 7 hours
4. Communication distance: 10 meters
5. Waterproof level: IPX5
6. Built-in 150mAh battery, Bluetooth low energy chip
7. Liquid silicone earhook, fit to the ear
8. Ergonomic design, comfortable to wear