1. Bluetooth version: V5.3 2. Supported protocols: A2DP/AVRCP/HFP 3. Transmission distance: 10m 4. Transmission frequency: 20Hz-20KHz 5. Battery capacity: 70mAh 6. Talk time: 5.5h 7. Play time: 5.5h 8. Standby time: 170h 9. Charging time: 1.5h 10. Charging port: Type-C 11. Design that does not go into the ears, lightweight and pain-free to wear 12. Open and real-time perception of the external environment, safer to wear outdoors 13. Easy to store, skin-friendly soft silicone does not deform when folded 14. HiFi sound effect, three-band balance, 3D surround sound 15. Reverse sound wave system, open and no sound leakage 16. ENC intelligent call noise reduction, touch control 17. Intelligent voice prompts, Chinese and English (default English prompts) 18. Support switching game low-latency mode/music mode
