ChillCheer Women Men Full-Color LED Dot Matrix Backpack with Bluetooth — Programmable, Large Capacity, Waterproof

This full-color LED backpack is built from waterproof cloth and features a full color dot matrix screen that you can program. Upload your own images and GIFs from your phone, edit or create designs in the companion app, or doodle custom pictures and text. Great for holiday messages, travel, work, advertising and hiking. Durable and stylish construction uses scratch-resistant, waterproof materials. The pack includes wide adjustable shoulder straps and a mesh back panel for improved comfort, breathability and stability. Super capacity with expandable storage to accommodate bottles, books, documents, wallets, pens, cell phones, tablets, mobile power, laptops and more — an excellent daily 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) Warranty: We offer 12 months warranty and 24/7 customer service. If you have any questions about the product, please contact us.