Features: 1.LED Display: The high definition LED screen is designed to make it stand out from the crowd and grab everyone's attention, it is a fully functional backpack. 2.Ample Space: The front pocket of the backpack can store a rechargeable battery that powers the LED display, and the separate compartment pockets can hold tissues, keys, water bottles, etc. 3.Adjustable Strap: The backpack is designed with adjustable straps so you can put it on your shoulder or around your waist, and the belt buckle has a strong magnet to hold the backpack securely. 4.Interesting Design: You can customize the screen pixel art to your liking. The app is prepared with a large number of set up images or you can choose to create your own, with or without text. 5.Great Gift: The backpack features a large collection of animations and other artwork that can be displayed endlessly, and would make a great gift for anyone who loves fashion items or pixel art. Specification: Item Type: LED Display Backpack Material: ABS, Metal Control Mode: Cell phone APP Power Supply Mode: Power supply by charging bank (not included) Power Supply Interface: USB 5V Screen Count: 48x48 Screen Point Spacing: P2 Application: Universal PackageList: 1 x Backpack 1 x User Manual