1. Bluetooth version: V5.0
2. Bluetooth protocol: HFP/HSP/A2DP/AVRCP
3. Headphone battery: 30mAh
4. Storage box battery: 200mAh
5. Charging time: 1.5 hours
6. Frequency range: 2.4-4.5Ghz
7. Connection distance: 8-10 meters
8. Playing time: 21 hours (including storage box power)
9. Hanging ear type anti-dropping design, comfortable and stable to wear
10. Can wirelessly connect to smart devices such as mobile phones
11. Meet the IPX4 waterproof rating
12. 13.9mm large-size dynamic unit, the sound is thick and natural, the details are rich and true, and the bass is strong and powerful
13. Take out the automatic connection, put it back to automatically close, call and music one-key touch
14. It does not distinguish between the main and sub-headphones, both can be connected and used independently
15. Built-in two highly sensitive microphones, effectively eliminating background noise during a call
16. The magnetic charging box can recharge the headset about 7 times