Antitheft External USB Charging Backpack
Material:Polyester
Closure Type:Zipper
Size:26*43*11 cm
Color:Black/Gray/Purple
NOTE:
There is no mobile power comes with the backpack inside.
If you want to use External USB Charge Function, you have to do as follows:
1.Buy a mobile power
2.Connect your mobile power with the USB interface inside the backpack
3.Connect your phone with the USB interface outside the backpack
4.Charging begins.