Smart LED Backpack with Customizable Lights - USB Rechargeable Laptop Backpack for School, Work & Travel - Waterproof Anti-Theft College Bag (Black) - Perfect for Night Cycling, Concerts & Christmas Gifts

Package included: 1x Backpack (with a product manual) Screen Dimension: 9.8 x 9.8 inches (64x64 LED lamp beads) Recommended Age: 6 Years old and aboveThe best resolution of uploaded pictures and GIFs is 64x64 pixels. The APP will be continuously updated to bring you the best experience. Text language supported by the App: English, French, Spanish, Simplified Chinese, Traditional Chinese, Italian, Latin, Japanese, German, Portuguese and Russian. Rainbow Cloud novel smart LED backpack is a cool urban backpack, which can be customized through an app. It will be an awesome gift for your family or friends. How to use: Download the LOY PLAY or LED Space app from Google Play Store or App Store. Connect your power bank with the internal USB port (Inside the backpack). Connect the YS+ Bluetooth. The first connection takes 1-3 minutes, and subsequent connections will be very fast. After a successful connection, open the LED Space app to customize your digital art. You can add subtitles, gif animations, and images through the app, and will be displayed on the LED screen. Or use it for advertising. The backpack is only compatible with any more than 2A-output mobile power bank. A 10,000 mAh mobile power bank lasts about 6 hours for the backpack. For more information, please check the product manual.