1. Bluetooth version: 5.0
2. Material: aluminum alloy + ABS
3. Battery capacity: headset 35mAh, charging compartment 350mAh
4. Charging time: about 1.5 hours
5. Standby time: 200 days
6. Talk time: 4.5-5 hours
7. Music time: 4.5-5 hours
8. Bluetooth distance: 10 meters
9. Wireless transmission, stable connection without delay
10. Metal fashion appearance, mini size, easy to carry
11. Support wireless charging function
12. Ergonomic design, comfortable to wear