Multipurpose: This LED backpack ( 13.5 x 7.5 x 18.8 inches) has ample storage. It features a large pocket for a laptop or tablet and various small compartments for cosmetics, keys, textbooks, mini iPad, cell phone, umbrella, and sports gear. ^^ It can hold half helmets and standard full helmets but cannot accommodate off-road or irregularly shaped helmets.
DIY ^^ High Quality: Made from 3D waterproof material, it features a 1680 PVC back and a 48 x 48 full-color dot matrix screen supporting texts, pics, and GIFs. Adjustable straps and breathable back offer comfort.
^^ How to Use: Download the LOY EYES app. Connect a power bank via the built-in USB port, enable Bluetooth, and scan the QR code to pair. Customize your display once connected.
^^ Cool Gift: The Gelrova LED Black Knight Backpack is an excellent gift for Christmas, birthdays, or Valentine's Day.
^^ Note: A power bank is required but not included. You need to provide your own power bank. ^^ Customize the display pattern to make the backpack uniquely yours. Its sleek design is perfect for traveling, hiking, and motorcycle riding. The Loy Eyes app provides a variety of cool LED EYES Gifs to choose from.