Features [Full Color LED Display]: This backpack features a full color LED screen that can be programmed using a mobile APP via Bluetooth connection, making it easy to customize. [High Brightness]: LED backpack with a 64x64 high brightness dot matrix screen, this backpack supports text, image, and animation display, creating a cool and eye catching visual experience. [Large Capacity]: Laptop backpack designed with ample space and multiple compartments, this backpack can hold various items such as bottle, books, wallet, pens, phone, power bank, tablet, and laptop. [Waterproof and Breathable]: Outdoor backpack made from Oxford fabric with a mesh back and high elastic cushion design, this backpack is waterproof, comfortable and breathable, features zipper closure, nestable with luggage handles. [Versatile Usage]: Digital backpack perfect for portable advertising, festivals, slogans, commercial promotions, and more, this backpack is suitable for commuting, travel, cycling, outdoor adventures, work, and casual use. Features: 1. This backpack features a full color LED screen that can be programmed using a mobile APP via Bluetooth connection, making it easy to customize. 2. LED backpack with a 64x64 high brightness dot matrix screen, this backpack supports text, image, and animation display, creating a cool and eye catching visual experience. 3. Laptop backpack designed with ample space and multiple compartments, this backpack can hold various items such as bottle, books, wallet, pens, phone, power bank, tablet, and laptop. 4. Outdoor backpack made from Oxford fabric with a mesh back and high elastic cushion design, this backpack is waterproof, comfortable and breathable, features zipper closure, nestable with luggage handles. 5. Digital backpack perfect for portable advertising, festivals, slogans, commercial promotions, and more, this backpack is suitable for commuting, travel, cycling, outdoor adventures, work, and casual use. Specification: Item Type: LED Backpack Material: Oxford Cloth Power Supply Method: USB Interface APP: For SPOTLED APP Connection Method: Bluetooth Size: Approx. 41.91x31.75x14.99cm/16.5x12.5x5.9inch Capacity: 21L Application: Can be used for advertising, holiday greetings, slogans, and commercial promotions. Perfect for commuting, travel, cycling, outdoor adventures, work, hiking backpacks, and even surprise gifts for friends. Package List: 1 x LED Backpack Package List 1 x LED Backpack