☆ [Comfortable back support system]Ergonomic design of S-shape padded shoulder straps and padding back design, made from high elastic and breathable sponge and fabric, equipped with ring type adjustable hasp, adjust the strap length freely, reduce the burden of weight, protect the back and shoulder effectively, more comfortable for your life.
☆ Say goodbye to dig around in bag, Every gadgets will be organized.
☆ [Detachable USB Cable] External USB port with cable is convenient to charge phone/tablet/other devices with your power bank inside.Better for cleaning backpack, won't get usb rotted, replacing the cable by removing the built-in cable.
☆ Perfect gift for student, friend, teacher, commuter.