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

This ChillCheer backpack features a full-color dot-matrix LED screen built into waterproof cloth, letting you program and show custom images or GIFs. Use the companion app to upload pictures and animations from your phone or draw your own creative pictures and text directly in the APP. Ideal for holiday greetings, traveling, work, advertising and hiking. Constructed from waterproof, scratch-resistant materials for a stylish yet long-lasting finish. Wide adjustable shoulder straps and a ventilated mesh back panel provide stability, breathability and comfortable wear. Designed with extra storage and expandable compartments to hold bottles, books, documents, wallets, pens, cell phones, tablets, mobile power, laptops, etc., it’s a practical choice 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) We offer 12 months warranty and 24/7 customer service. If you have any questions about the product, please contact us.