1. Bluetooth version: 5.0
2. Battery capacity: 300mAh for charging compartment; 30mAh for left and right ears
3. Talk/music time: 4 hours; standby time: 150 hours
4. Size: 31.6x73.8mm
5. Charging time: 1.5h
6. Fit the human body, not easy to fall during exercise
7. Automatic matching, independent dual channel
8. The wireless connection is not stuck, and the three-screen digital display can see the power
9. Smart touch, high-definition call, IPX7 life waterproof
10. Support wireless charging