1. BT 5.2 dual-core chip, instant connection, stable transmission without delay
2. 120 hours standby, 5 hours binaural listening, up to 24 hours total listening time with case
3. Polymer composite diaphragm moving coil speaker, outstanding instrument details, free to enjoy Hi-Fi sound effects
4. Connect after opening the shell, touch technology, comfortable to wear
5. Support wired and wireless charging, wired charging can be fully charged within 1 hour
6. Support protocol: HSP/HFP/A2DP/AVRCP
7. Audio decoding: AAC/SBC
8. Communication range: less than or equal to 15m
9. Frequency response: 20Hz-20KHz
10. Speaker sensitivity: 119+/-3dB
11. Distortion rate: less than or equal to 5%
12. Drive unit: 13mm
13. Impedance: 32 ohms
14. Power: 3mW
15. Charging box capacity: 320mAh
16. Headphone battery capacity: 30mAh
17. Music time: about 6 hours (volume 70%)
18. Talk time: about 5 hours
19. Connection standby time: about 120 hours
20. Headphone charging time: about 1.5 hours
21. Charging time of the box: about 2 hours
22. Wireless charging time: about 3 hours
23. Support charging headset: 4 times
24. Product size (charging box): 44x22x53.8mm
25. Product net weight: 48g+/-2g