Feature:1. LED Backpack: The smart backpack with a display screen can be connected to the for SPOTLED APP via BT to edit text, animations, and images as desired; Having glowing eyes makes you stand out in a crowd2. Large Capacity: This LED backpack has expandable capacity; The large zipper pocket serves as a laptop bag, with independent compartments inside that can store cosmetics, tissues, keys, textbooks, phones, umbrellas, and more3. Excellent Material: The appearance of this smart backpack is made of 3D hard case water proof material, and the back is made of 1680PVC material, has high strength and wear resistance, making it suitable for various outdoor environments4. Screen and Interface: This LED smart backpack features 64 x 32 full color dot array screen that supports text, images, GIFs, and other formats; Powered by USB interface and supporting BT communicating5. Flexible and Comfortable: The shoulder straps of this LED bag can be adjusted according to your needs. The shoulders and straps are made of breathable sponge, and the button design on the chest makes you safer while riding6. Versatile Application: LED backpack with programmable screen, not only a practical storage solution, but its unique appearance makes it a great holiday or birthday present for your friends or familySpecification:Item Type: LED Backpack with ScreenMaterial: ABS, PC, 1680PVCApplication: For SPOTLED APPPower Supply: USB InterfaceLeft Right Eye Screen Resolution: 64x32Communicating Method: BTScreen Dot Spacing: P2Backpack Size: Approx. 47 x 37.1 x 20.1cm / 18.5 x 14.6 x 7.9inExpansion Size: Approx. 47 x 37.1 x 34cm / 18.5 x 14.6 x 13.4in.Package List:1 x LED Backpack