Smart LED Riding Motorcycle Backpack, Hard-Shell Waterproof Helmet Bag APP Control Display Text Picture GIF DISmart LED Riding Motorcycle Backpack, Hard-Shell Waterproof Helmet Bag APP Control Display Text Picture GIF DIY Specifications - Product Type : Imported Material : Durable Fabric,High quality ABS+PC plastic Outer : 3D Hard shell design Waterproof : Abrasion-resistant. Internal : Polyester Fully APK Control : Unleash your creativity with LOY EYES app Connect With : iOS and Android Dimension & Space : 18.9 x 14.2 x 7 inches. 31L Source Of Energy : Power Bank Built-in full color 32*32 dot matrix screen, denser pixel and clearer display. Unisex LED backpack, Looks diligent. Waterproof design, which it can protect your belongs very well. Mobile phone control by Bluetooth. ?How to use?Search on your mobile phone or directly scan the code to download the APP, plug in the mobile power supply through the built-in USB data port on the back, turn on the Bluetooth and scan the QR code to bind the backpack. You can connect the device and use it. Please noted that for transportation safety, we do not provide mobile power. A personality backpack designed for those who dare to be different! So, brighten your day with some LED Pixel light. It’s a perfect urban & laptop backpack for men and women that allows you to customize its design while you’re on the go. From the very moment you get your LED Pixel Backpack, you become a geek, an artist, a raver, or all of these at once.