Put your portable charger into backpack and connect internal usb charging cable
Our laptop backpack is made of high quality polyester fiber with pu back coating, better than ordinary polyester fiber, higher strength
Functional compartments: 2 main pockets, 2 easy-access side pockets, 2 outside zipper pocket
Breathable and anti sweat shoulder straps, relax your shoulders and offer light weight carrying
Made from high density and water resistant polyester fabric, ensures a secure & long-lasting usage