1. Bluetooth version: Jayli V5.3 AD6973D4 2. Support protocol: HSP, HFP, A2DP, AVRCP 3. Call time: 7H 4. Playing time: 6H 5. Charging time: 1H 6. Charging warehouse capacity: 300mAh 7. Capital battery capacity: 35mAh 8. The best call distance: about 1m 9. Maximum transmission distance: about 10m 10. Support voice prompt 11. Sensitivity: 100.1db 12. Veter diameter: 13mm 13. Frequency response range: 20Hz-20KHz 14. Spray metal paint on the surface, with colorful breathing lights 15. DNS call noise reduction
