specification Project Waterproof LED screen display Wifi connection remote control advertising walking billboard DIY school LED backpack Model 3rd Gerneration high-tech LED backpack Main material waterproof nylon + LED screen LED screen size 25 * 25cm Screen dots 64 * 64 Working voltage 5V / 2A Charge by power Waterproof support Have fashion, funny, interactive Features 1. Words, videos, pictures are displayed on the LED screen 2.DIY 3. Connect wifi and set up the display on the phone. 4.Waterproof 5.1 to N (a smart phone can remotely control many backpacks) 4. Purpose (can hold books, tablets, laptops, umbrellas, pens, etc.) The LED three-generation dynamic backpack is still divided into two versions-the official account version and the APP version The main updates of this version include: 1. Added multi-language version (Chinese, Traditional, English, Russian, Japanese, Korean, German, French, Italian, Portuguese, Spanish, Latin); 2. Homepage and other interface optimization; 3. Added colorful fonts to the subtitle module; 4. New path method for picture module; 5. Newly added play times of animation module; 6. The original partition program module is changed to a combination of pictures and texts in a fixed template. 7. Added pictures and animation materials to the material library 8. The new APP supports language and text modules: Chinese, traditional, English, Russian, French, Italian, Latin, Japanese, Spanish (Song Ti), German (Song Ti), Portuguese (Song Ti), and those that do not support text modules. : Korean, Thai

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