Allnice&reg; Black M8 USB Powered 6 Fans Speed Adjustable Laptop Notebook Radiator Cooling Cooler Bottom Cushion Bracket Plate with LCD Screen Laptop Stand Two USB Ports The fans quietly whir the heat away from your laptop at a rate of 1000 RPM and adjustable, producing 70 CFM of airflow. Smart design, adjustable speed and can control 2 or 4 or all fans to work or not. No noise pollution, with screen buttons and blue LED lights to make your laptop cooler. Ergonomic designed angle adjustable gradient for easy typing. USB cable hidden design ( No need to worry about the cable troubles). Fit for:12-17 inches laptops MAC (best for 15.6 inches)