Product Specification: 1.Model:F9 2.Bluetooth specification:V5.0 3.Bluetooth Profile:A2DP,AVRCP, HFP;HSP 4.Working voltage:3.1V~4.2V 5.Charging voltage:5V-1A 6.Battery capacity of the headset: 50MAH 7.Battery capacity of the storage box:2200MAH 8.Transmission distance:10M 9.Call time:4-5h 10.Play time:4-5h 11.Waterprof :IPX7 12.Charging time of headset:30-45min 13.Charging time of the Charging box:1h
