LED Backpack with App Control Anti-Theft, Waterproof with USB LED Space Bag for Men And Women (Black)

HOW TO USE — You must prepare a 10000mAh power bank. Built-in USB port (inside backpack) for connecting a power bank. Connect and use the APP according to the instructions in the manual. A 10,000mAh power bank can power the backpack for 6 hours. We don’t provide mobile power.
Control by our app — The LOY SPACE app is compatible with this LED backpack. The app allows you to change all settings, add custom pixel art, photos, and download other artworks/animations. The app is available for free download from the Google Play or App Store and is compatible with both iOS and Android operating systems.
COMFORTABLE AND BREATHABLE — The adjustable shoulder straps and back are made of a comfortable and breathable mesh, which relieves strain on your shoulders. The comfortable foam pad back is made with soft mesh padding for good heat dissipation, providing maximum back support.
LARGE CAPACITY – – It can hold (24L capacity) double-layer storage with multiple compartments in each layer, making it ideal for carrying water bottles, books, documents, wallets, pens, cell phones, tablets, mobile power, 15.6-inch laptops, and other items needed for daily work, study, and travel.
High Quality Laptop Backpack15.5-inch Laptop Backpack Waterproof High capacity can meet the demands of everyday work and study.