LED Kinght Backpack
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
6th LED Backpack
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
4th Plus LED Backpack
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;