Here is another smart backpack that lets you display animations and messages on your back. The Popar SwagBag Backpack has an LED panel that you can control from your iOS or Android device. You will be able to display video, 3D animation, images, text, and everything else.
The Popar SwagBag LED Backpack is powered with a 1000mAh power bank. It has a waterproof outer.[where to get it]
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