1. Material: ABS 2. Bluetooth version: 5.3 3. Supported protocols: HSP-V1.2, HFP-V1.7, A2DP-1.3, AVRCP-1.6 4. Bluetooth distance: 10m 5. Decoding format: AAC, SBC 6. Bluetooth transmission frequency: 2.400-2.4835MHZ 7. Charging case capacity: 400mAh 8. Headphone battery capacity: 400mAh 9. Battery capacity: 500mA 10. Headphone charging time: 1.5h 11. Charging case charging time: 1.5h 12. Working time: 6h 13. Standby time: about 80h 14. Headphone driver unit: 13mm 15. Charging port: Type-C 16. Support 2.4G wireless, Bluetooth 5.3, support Type-C, USB interface 17. New upgraded Hall switch, automatically connect to the phone when the cover is opened 18. Switch between single and double earphones at will, and connect to different devices separately
