1. Bluetooth version: V5.3 2. Music playback time: about 7h 3. Connection distance: about 10m 4. Headphone battery capacity: 50mAh 5. Charging case battery capacity: 500mAh 6. Charging interface: Type-C 7. Standby time: about 365 days 8. Talk time: about 5h 9. Charging voltage: 3.7V 10. Charging time: about 1.5h 11. Simultaneous interpretation mode, support voice notes 12. Open and free to wear, no swelling or pinching of ears 13. Directional sound transmission, high-definition calls, focus without sound leakage 14. One-hand touch control, simple and convenient to use
