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.