With built in USB charger outside and built in charging cable inside,this usb backpack offers you a more convenient way to charge your phone while walking. It's a great tech gift for him from wife, daughter and son. Please noted that this backpack doesn't power itself, usb charging port only offers an easy access to charge
Casual and Business waterproof Backpack
Lightweight & Sturdy: Many padding in the back gives you maximum back support. Comfortable soft padded back design with thick but soft multi-panel ventilated padding. Breathable and adjustable shoulder straps relieve the stress of shoulder. Foam padded top handle for a long time carry on
