Smart LED backpack! Use a mobile phone to download the app. Connect to wifi to customize the content you want or edit the animated picture directly. It can be used with Android phones and Apple mobile phones. The backpack display requires all pictures to be no more than 1 megabyte
Advertising backpack support text/picture/animation (GIF format), customizable editing, content. Screen can display text, pictures and animation, backpack to place personal daily necessities
The surface and screen of the smart backpack are made of water-repellent material, wear-resistant and thick, and the texture is exquisite.
LED Display backpack the main package can hold 15.6” laptops or IPADs, umbrellas, mobile phones, keys, wallets, etc.; sub-packages can be used to place mobile phones, pens, magazines or documents,stylish and practical