Full-Color LED Dot-Matrix Smart Backpack — Wireless APP-Controlled Advertising & Laptop Travel Bag

Constructed from waterproof cloth and featuring a full-color dot matrix LED screen, this programmable backpack displays your own images and GIF animations. Use the companion APP to upload photos or GIFs from your phone, or draw and customize text and creative pictures directly in the app — great for holiday greetings, travel, work, advertising, and hiking. Built to last, the bag uses waterproof, scratch-resistant materials for everyday durability. Comfort is provided by adjustable wide shoulder straps and a ventilated mesh back panel that improves breathability and stability during wear. Generous, expandable storage accommodates bottles, books, documents, wallets, pens, cell phones, tablets, mobile power, laptops, etc., making it a reliable companion for work, study, and travel. How to use: 1. Connect your power bank 2. Download the APP 3. Connect Bluetooth 4. Start Using (Please refer to the manual for using this product) We offer 12 months warranty and 24/7 customer service. If you have any questions about the product, please contact us.