iwish 2016 New design USB Super Ultra Thin 2 Fans Cooling Cooler Pad for 13" 14" notebook laptop macbook PC Radiator White Easy to use, no power adapter necessary. Two fans,Up to 1400RPM. Silent Design and The elevation of human body engineering, which can be self-adjusting. USB Powered. Increase efficiency of heat exchange. It protects your valuable data by keeping your notebook computer cool. Low noise. You can work as long as you like without overheating your computer