1. Bluetooth version: 4.0
2. Playing time: about 6 hours
3. Charging time: about 2 hours
4. Battery capacity: 120mAh
5. Charging port: Micro USB
6. Flat cables, effectively avoid cable knotting problems
7. With a magnetic design, the earphones can be easily stored in front of the neck at any time, and they are not easy to slip off.
8. Ergonomic design, comfortable to wear