Full-Color LED Display Smart Backpack — Programmable Dot-Matrix Screen, Waterproof, Large Capacity Laptop Bag

Programmable full-color LED backpack featuring a full color dot matrix screen built into waterproof cloth. The display lets you upload pictures and GIF animations directly from your phone, or design and doodle custom images and text inside the APP for messages, animations or ads. Ideal for holiday wishes, traveling, work, advertising and hiking. Made from waterproof, scratch-resistant materials for long-lasting use. Adjustable wide shoulder straps and a mesh back panel deliver comfort, breathability and stability during wear. Generous, expandable internal storage accommodates bottles, books, documents, wallets, pens, cell phones, tablets, mobile power, laptops and more—perfect for daily work, study or 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 provide 12 months warranty and 24/7 customer service. If you have any questions about the product, please contact us.