Multi-function Backpack With USB Port

This backpack with a USB port, so you can put your power bank into the backpack, connect the data line. And you can charge your phone just connect with the USB port. You can free one hand when you need power bank to charge your phone. The reflective stripe design is also a safe way when you walk in the dark. With a large back pocket, you can keep your laptop, tablet, etc inside. Your LOGO or artwork can be imprinted on it.