1. Bluetooth version: 5.0
2. Communication distance: 10 meters
3. Standby time: 100 hours
4. Playing time: 2.5-3 hours
5. Charging time: 1 hour
6. Battery capacity of charging compartment: 200mAh
7. Small size, easy to carry
8. Single and dual ears can be switched at will
9. Automatic connection when opening the lid, easy to use
10. 13mm large dynamic coil, awakening surging sound quality