1. Material: ABS, electronic components
2. Function: battery display, call function, support music
3. Bluetooth version: V5.1
4. Connection distance: 10 meters
5. Interface: TYPE-C
6. Waterproof level: IPX4
7. Charging compartment battery: 300mAh lithium battery
8. Headphone battery: 40mAh lithium battery
9. Standby time: 120 hours
10. Charging time of charging box: 2 hours
11. Headphone charging time: 1 hour
12. Use time: 3-5 hours
13. Using 5.1 Bluetooth version, the connection is faster and more stable
14. Unique cavity structure, effectively improve sound quality
15. Ergonomic cochlear shape design, fits both ears, and is stable and comfortable to wear