appearance purchase 3D hardcore waterproof material , the back width using 1680pvc , can use portable rechargeable power supplies , 48*48 full-color dot matrix screen , support text , pictures , GIF

Unleash your creativity with LED Space App. We will continue to update the APP to bring you more GIF material libraries and a better experience! The backpacks can display texts, images, GIF animations, doodle

High-quality Laptop Backpack with LED Full-Color Screen can dynamically display your favorite text pictures and animations.

Plug the backpack into a power bank;