1. Bluetooth version: V5.3+EDR
2. Play time: about 8 hours
3. Battery capacity: 300mAh
4. Frequency response: 20HZ-20KHZ
5. Rated power: 25mW
6. Drive unit: 40mm
7. Input: 5V/200mA
8. Standby time: 30h
9. Charging time: 2h
10. 10-meter stable connection, high-speed and stable transmission, no lag in music videos
11. 40mm high-precision dynamic sound unit, shocking bass
12. Foldable storage, more convenient to carry
13. Made of fully ear-covering protein leather, skin-friendly, soft, light and breathable
14. Support ANC active noise reduction