1.Equipped with 3 different sizes of wind deflectors, suitable for various notebooks, compatible with 12-17 inch notebook computers; 2.Adjustable speed, low noise, easy to use 3.Small size, light weight, easy to carry 4.Super double-sided anti-skid effect, more firm and convenient. 5.Not only can the computer be cooled, but also the service life of the computer can be extended. 6.Temperature control version, automatically detect the temperature, and then automatically adjust the speed intelligently to protect your device more effectively.