Features 1、Power Source Compatibility: This LED motorcycle backpack requires connection to a power bank through the built in USB data port for use. 2、Versatile Storage Space: Featuring ample storage compartments, this backpack can accommodate various items such as laptops, tablets, cosmetics, keys, textbooks, phones, umbrellas, and more. 3、Programmable Display: Equipped with a BT enabled display screen, this smart backpack connects to the for LOY EYES app for editing of texts, animations, and images. Stand out in the crowd with your customized design. 4、Robust Construction: Constructed from 3D hardcore waterproof materials and featuring a 1680PVC back width with a 48 x 48 full color LED display, this backpack offers durability, functionality, and breathability for added comfort. 5、Cool and Practical Gift: With its programmable screen, this LED backpack makes a unique and stylish gift choice for scenes like birthdays, and anniversary, ideal for yourself or your loved ones. 6、Safety and Comfort: Crafted from ABS, PC, 1680PVC materials, this LED rider backpack is waterproof and ergonomic. Adjustable shoulder straps and breathable sponge padding ensure a comfortable fit, while the front button design enhances safety during rides. Specification Item Type: LED Motorcycle Backpack Material: ABS, PC, 1680PVC Application: for LOY EYES APP Power Supply: USB Interface Power Supply Communication Method: BT Left Eye, Right Eye Screen Resolution: 48 x 48 Screen Pixel Pitch: P2 Size: Approx. 16.5 x 12.8 x 7.5in / 41.91 x 32.51 x 19.05cm Package List 1 x LED Backpack