1. Bluetooth version: version 5.2
2. Bluetooth distance: about 10 meters
3. Headphone battery: 300MAH
4. Rechargeable battery: 2200MAH
5. Song/talk time: about 68 hours
6. Charging time: about 2 hours
7. Support protocol HEP\HSP\A2D\AVRCP
8. Process material: ABS+plating+food silicone ear caps
9. Frequency: 20Hz-20KHz
10. Impedance: 32 ohm
11. Sensitivity: 85dB/mW
12. The left and right ears can be worn freely and can be rotated by 270 degrees
13. The ear hook can be adjusted according to different ear shapes
14. IPX5 waterproof rating, effectively preventing sweat from damaging components
15. Ergonomic design, comfortable to wear
16. Real-time power display, the power level is clear at a glance
17. Large-capacity charging bin can also be used as a power bank
18. Charging compartment size: 9x8x3cm