ChillCheer Full-Color LED Dot-Matrix Backpack — Programmable Display Laptop Bag

This ChillCheer LED backpack features a full color dot matrix screen set into waterproof cloth, giving you a portable, eye-catching display. The panel is programmable: upload pictures and GIF animations from your phone, customize designs in the APP, or doodle creative pictures and text for holiday greetings, travel, advertising, work, hiking and more. Constructed from waterproof, scratch-resistant materials, the bag is designed for durability and daily use. It includes adjustable wide shoulder straps and a mesh back panel to improve comfort, breathability and stability while carrying. The pack offers a large capacity with expandable storage to accommodate bottles, books, documents, wallets, pens, cell phones, tablets, mobile power, laptops, etc., making it ideal 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 provide 12 months warranty and 24/7 customer service. If you have any questions about the product, please contact us.