... size when folded.Slim and Smart design, Portable, USB Connection,Large, high performance. Rotatable USB Laptop Notebook 2 Fans Cooler Cooling Pad ... Pad, mini size when folded.Slim and Smart design, Portable, USB Connection Large, high performance and extra quietBuilt-in 2 quiet ... which do not need transfer data, such as USB LED etc.Light weight, Portable, easy and convenient to carry. Power source ...