Full-Color LED Advertising Backpack with Bluetooth — Programmable Dot-Matrix Screen, Waterproof Large-Capacity Laptop Bag for Men & Women

Bright full-color LED backpack built on waterproof cloth with a full-color dot-matrix screen. The display is fully programmable: upload images and GIFs directly from your phone, create custom messages in the APP, or draw your own pictures and text. Ideal for holiday greetings, travel, daily commuting, on-the-go advertising and hiking. Durable, stylish construction uses waterproof, scratch-resistant materials and features adjustable wide shoulder straps plus a mesh back panel for added comfort, breathability and stability. Generous storage with expandable compartments designed to hold bottles, books, documents, wallets, pens, cell phones, tablets, mobile power, laptops and more — a practical companion for work, school and trips. 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). Includes 12 months warranty and 24/7 customer service — contact us anytime with questions.