LED Motorcycle Helmet Backpack | Kings Motorcycle。NEW. Never used. This LED motorcycle backpack requires a power bank (not included). DIY: Customize the LED pattern as you like. The backpack has a sleek, cool design that stands out. Material: 3D waterproof material with 48×48 full-color LED screen. Supports text, pictures, GIFs, and more. Adjustable shoulder straps and breathable back. Storage: Expandable space fits helmets (full-face, off-road, etc.). Main pocket for laptop or tablet, plus multiple small compartments for keys, cosmetics, phone, mini iPad, umbrella, etc. Size: 13.5 × 7.5 × 18.8 in. How to Use: Scan the QR code or search the app on your phone. Connect a power bank via the built-in USB port, turn on Bluetooth, and bind the backpack.