Gelrova Knight Motorcycle Backpack with LED Eyes, Waterproof Hard Case Motorbike Bag, DIY Laptop Backpack for Riding, Cycling, Travel, Large Size 19in, Black

This led backpack requires connecting to a power bank for use, but please note that the power bank is not included in the product. Therefore, it is necessary for you to prepare your own power bank separately.Multipurpose: LED backpack size is about 13.5 * 7.5 * 18.8in which have enough storage. Large zipper pocket as a laptop bag, put a tablet computer;the interior has a number of independent small compartments, can effectively store cosmetics, tissues, keys, textbooks, mini ipad, cell phones, umbrellas, some sports equipment, etc.DIY: Modify the pattern at will, let the laptop backpack as you wish. It has a sleek and cool design that's easy to spot in a crowd. This LED cool knight smart Motorcycle backpack is suitable for a variety of scenes,like traveling,hiking,riding motorcycle.Good Quality : LED smart knight backpack appearance purchase 3D hardcore waterproof material;the back width using 1680pvc ,48*48 full-color dot matrix screen , support text , pictures , GIF , and other formats ;adjustable shoulder strap size; breathable material for the back.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.Cool Gift : Gelrova LED Knight Backpack with programmable screen is also the best gift for yourself or others on the Christmas, Birthday, Valentine's Day. Perfect for everyday use. High quality materials and excellent craftsmanship ensure long-lasting durability.