Lenovo X4 Bluetooth 5.0 Waterproof Bone Conduction Wireless Bluetooth Earphone(Black)

1. Bluetooth version: 5.0
2. Battery capacity: 150mAh
3. Transmission distance: 10 meters
4. Charging time: about 2 hours
5. Play time: 8 hours (70% volume)
6. Charging input: 5V 500mA
7. Transmit sound to the hearing through bone conduction, achieving the ideal effect of not damaging the eardrum
8. Effectively reduce sound leakage and take care of privacy
9. Ergonomic design, comfortable to wear
10. With IP5 waterproof, IP6 dustproof function
11. Memory titanium alloy frame, adapt to any distortion of the shape according to different head sizes
12. One-key operation, easy to use
13. Weight: 25g