Features: 1.[USB Charger] Built in USB charger and built in charging cable, this USB backpack allows you to charge your phone while walking. 2.[180 Opening Closing] The backpack can be opened at 180, which is convenient to take. All round net grid, refreshing and comfortable. 3.[Adjustable Shoulder Strap] Shoulder strap adjustment buckle, you can freely adjust the shoulder strap according to your height. 4.[Multi Compartments Design] The front panel is composed of layers, with multiple pockets, and the side pockets can be expanded by zipper. 5.[Perfect Gift] This backpack is a great gift for wives, daughters and sons. It can be used to put a computer or a tablet for easy carrying.specification:Item Type: Computer Backpack Material: Polyester Size: Approx. 44.5 x 29cm / 17.5 x 11.4in Capacity: 15.6 Inches Computer / 10.2 Inches TabletPackageList:1 x Computer Backpack