Features [LED Backpack] This backpack features a 48x48 full color dot matrix screen, allowing for the display of text, images, GIFs, and more, providing a unique and customizable visual experience. [APP Programming] Connect the backpack to for LOY EYES APP via Bluetooth to easily customize and edit DIY text, animations, and images, making personalized content. [Versatile Storage] This LED backpack has a large zippered pocket for tablet, and multiple compartments for cosmetics, tissues, keys, books, tablet, phone, and more. [Waterproof Hard Shell] The backpack features a 3D hard shell design made of ABS, PC, and 1680PVC, providing waterproof and aerodynamic aesthetics, ensuring durability. [Comfortable and Secure] Designed with breathable sponge shoulder straps that are adjustable for personalized comfort, along with chest buckle for added safety while riding. Specification: Item Type: LED Motorcycle Backpack Material: ABS, PC, 1680 PVC APP: for LOY EYES APP Power Supply: USB Interface Power Supply Method: Bluetooth Left Eye Right Eye Screen Resolution: 48x48 Screen Dot Pitch: P2 LED Backpack Size: Approx. 38x18x46cm / 15x7x18in How to Use: Open the package and remove the product to start using. Package List: 1 x LED Motorcycle Backpack Notice: This product does not include mobile power supply. Package List 1 x LED Motorcycle Backpack