1. Material: ABS+PC+PU leather
2. Bluetooth version: V5.3
3. Bluetooth chip: JL7006F
4. Transmission range: 10m
5. Support Bluetooth protocol: HFP/HSP/A2DP/AVRCP/PBAP
6. Play time: 20-25 hours
7. Built-in lithium battery: 3.7V/200mAh
8. Charging interface: Type-C
9. Charging time: about 3H
10. Audio output: wired/wireless
11. Ergonomic design, no pressure on the ears or stuffiness when worn for a long time
12. Rotating axis design, foldable and storage, easy to carry when going out
13. Using Bluetooth 5.3 chip, high-speed and stable transmission over a distance of 10m, no lag during use, low latency, and audio and video synchronization