M17 Bluetooth 5.1 LED Display Screen Touch Waterproof Wireless Bluetooth Earphone with Charging Box, M17

1. Bluetooth version: 5.1
2. Headphone battery capacity: 50MAH
3. Storage box battery capacity: 2000MAH
4. Transmission distance: about 10m
5. Talk time: 4 hours
6. Play time: 4 hours
7. Charging time: 1-2h
8. IPX7 waterproof function
9. Ergonomic design, comfortable to wear