1. Chip: Jerry
2. Bluetooth version: BT V5.4
3. Bluetooth protocol: HSP, HFP, A2DP, AVRCP
4. Frequency: 2.402-2.480Ghz
5. Working distance: about 10 meters
6. Headphone battery: 400mAh
7. Charging voltage: 5V/0.5A
8. Playing time: about 8h
9. Charging box voltage: 5V/0.5A
10. Headphone charging time: about 2h
11. Rated power: 3mW
12. Standby time: about 180 days
14. Power interface: Type-C
15. ANC active noise reduction, blocking noise more efficiently, giving you a quiet office and study environment.
16. Foldable design, easy to store, more convenient to carry when traveling