The usb charging backpack with built in USB charger outside and built in charging cable inside, you can plug a mobile power hub into on the inside,then you just connect your usb cable to your backpack and plug in your device for easy charging.

This antitheft backpack comes with a LOCK so you never have to worry about someone stealing your laptop, ipad, business file, homework and anything value, keep you a nice peace of mind. Durable metal zippers close and open smoothly, ensure a secure and long-lasting usage everyday or weekend.