We will try our best to give you best serice
Bluetooth products will be strictly inspected before shipment
But products may run out of power during transportation.
Please charge it for half an hour after receiving the product before connecting it to the phone
Any problem please feel free to contact us
We will very appreciate if Give us five stars review
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:2000MAH
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