Feature: 1. [Programmable Screen] The LED screen of the backpack is programmable, which can be connected to for ILEDEEES APP, allowing for freely editing text, animations, and images. 2. [Large Storage Space] The LED backpack has ample storage space, the large zipper pocket can hold a laptop, while multiple independent compartments inside can store cosmetics, tissues, keys, textbooks, mobile phones, umbrellas, etc. 3. [3D Hard Shell] The 3D shell is made of ABS, PC, and 1680PVC materials, which are anti impact and wear, ensuring durability, and is conform to aerodynamic design. 4. [Practical Design] The shoulder straps can be adjusted according to your needs. The shoulders and straps are made of breathable sponge, ensuring comfort. The button design on the chest makes you safer while riding. 5. [Versatile Application] This LED backpack is fashionable and cool, suitable for various scenarios such as travel, gatherings, and riding. Specification: Item Type: LED Motorcycle Backpack Material: ABS, PC, 1680PVC APP: for ILEDEYES APP Power Supply: USB Interface Power Supply Left Eye/Right Eye Screen Pixels: 60x48 Screen Pixels Pitch: P2 Size: Approx. 49.5x38x20cm / 19.5x15x7.9in. Package List: 1 x LED Motorcycle Backpack 1 x Instruction Manual Note: Without portable power bank.