Full-Color LED Display Backpack — Waterproof Smart Laptop Bag with App-Controlled Dot-Matrix Screen

This backpack features a full-color dot-matrix LED display built into waterproof fabric, letting you create dynamic visuals on the go. The programmable screen connects to your phone so you can upload images and GIFs, or use the companion app to design custom text and doodles. Ideal for holiday greetings, travel, work, advertising or hiking. Constructed from waterproof, scratch-resistant materials for long-lasting use. Wide adjustable shoulder straps plus a ventilated mesh back panel provide comfort, breathability and stable carry. Large-capacity design with expandable storage to accommodate bottles, books, documents, wallets, pens, cell phones, tablets, mobile power, laptops and more — a practical companion for daily 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) Warranty: We offer 12 months warranty and 24/7 customer service. If you have any questions about the product, please contact us.