ALLYOUNGER Back-Pack with USB storage

ALLYOUNGER Back-Pack Book Bag New with tags USB SLOT: This usb backpack offers you a more convenient way to charge your phone while walking. Please noted that this backpack doesn't power itself, usb charging port only offers an easy access to charge. LOTS OF STORAGE& MANY POCKETS: Length 12.5inch, Width 5.5inch,High 17.5inch. Compartment: 15.6 inch laptop sleeve,2 internal slip pockets,2 pen sleeve,1 zipper pocket,1 key ring. 2 side pockets can hold water bottle and umbrella.1 Front utility pocket keeps the essentials easily accessible, back have an anti-theft pocket.