Specification: Origin: Mainland China Main Material: Leather Film + Nylon + Oxford Cloth Color: Black, Purple, Pink, Blue Size: About 30cm (11.81in)*26cm (10.24in)*12cm (4.72in) Net Weight: About 800g Power Supply: Power Bank Connection: Bluetooth-Compatible Note: Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures. Thanks for your understanding! Please allow a 1-2 cm difference in measurements due to manual measuring. LED Advertising Backpack APP Control Advertising Business Bag Waterproof Outdoor Pixel Screen Bag for Outdoor Travel Features: 1.Intelligent Screen Display: Operated through a dedicated app, this advertising backpack features a high-gloss dynamic LED screen that showcases personalized patterns, animated expressions, and text. It's a stylish item sure to grab attention. 2.All-Weather Brightness: Using LED high-brightness light bead technology, this motorcycle backpack guarantees high definition display in all lighting conditions, ensuring visibility even under sunlight. 3.Extensive Material Library: The app integrates a vast advertising business bag material library, including dynamic expressions and text. Users can freely create content to showcase fun expressions or business advertisements. 4.Scientific Partition Storage Design: With a spacious main compartment for large items and side compartments and zipper pockets for smaller ones like phones and wallets, the portable backpack ensures organized storage with a back anti-theft pocket for valuables. 5.Superior Waterproof Performance: Made from Oxford cloth, nylon, and leather film materials, this outdoor pixel screen bag offers excellent waterproof performance, keeping your items dry and safe during commutes or outdoor activities. Specification: Origin: Mainland China Main Material: Leather Film + Nylon + Oxford Cloth Color: Black Size: About 30cm (11.81in)*26cm (10.24in)*12cm (4.72in) Net Weight: About 800g Power Supply: Power Bank Connection: Bluetooth-Compatible Note: Due to different monitor settings and lighting conditions, the actual color of the item may vary slightly from the pictures. Thanks for your understanding! Please allow a 1-2 cm difference in measurements due to manual measuring. LED Advertising Backpack APP Control Advertising Business Bag Waterproof Outdoor Pixel Screen Bag for Outdoor Travel Features: 1.Intelligent Screen Display: Operated through a dedicated app, this advertising backpack features a high-gloss dynamic LED screen that showcases personalized patterns, animated expressions, and text. It's a stylish item sure to grab attention. 2.All-Weather Brightness: Using LED high-brightness light bead technology, this motorcycle backpack guarantees high definition display in all lighting conditions, ensuring visibility even under sunlight. 3.Extensive Material Library: The app integrates a vast advertising business bag material library, including dynamic expressions and text. Users can freely create content to showcase fun expressions or business advertisements. 4.Scientific Partition Storage Design: With a spacious main compartment for large items and side compartments and zipper pockets for smaller ones like phones and wallets, the portable backpack ensures organized storage with a back anti-theft pocket for valuables. 5.Superior Waterproof Performance: Made from Oxford cloth, nylon, and leather film materials, this outdoor pixel screen bag offers excellent waterproof performance, keeping your items dry and safe during commutes or outdoor activities.