Specification Brand : Mugast BulletPoint1 : Manual mode: In manual mode, the fan speed can be controlled manually by the manual adjustment knob, which is not comparable to the speed regulation of several gears. BulletPoint2 : Overspeed motor: It adopts double-ball high-power cooling fan, which can operate effectively with high power for a long time. It will not affect the life of turbofan due to the incoming dust. It has the advantages of ultra-quiet, high , large wind and so on. BulletPoint3 : anti-skid device: super anti-skid coefficient, double-sided anti-slip effect, firm, simple, intimate. BulletPoint4 : New look: use a variety of game carving elements. With a cool concept, tailor-made and individuality. BulletPoint5 : User-friendly product design: Each Cooler is equipped with 3 kinds of air guiding sleeves to cope with any notebook air outlet. Several air guiding sleeves can be compatible with notebook computers with different heat dissipation ports on the market, and consumers do not have to be incompatible or unsupported in the hair dryer. Color : Black CoolingMethod : Air ExternallyAssignedProductIdentifier1 : 792117453823 ExternallyAssignedProductIdentifier2 : 0792117453823 FanCount : 1 ItemName : Mugast Laptop Cooler, Air Extracting Laptop Cooling with Vacuum Fan - USB Powered, Wind Control, Low-Noise, Portable Radiators,CPU Cooler, Fan Heat Sink for Notebook ItemPackageDimensions_Height : 16.9 centimeters ItemPackageDimensions_Length : 5.8 centimeters ItemPackageDimensions_Width : 9.9 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : laptop-external-cooling-fans Manufacturer : Mugast Material : Plastic ProductDescription : Feature: 1.Submarine version of the sealing device: manufacturing, low carbon,environmental, high-density materials, high-quality process. 2: High-gloss mirror treatment process: the product texture is upgraded, the visual effect is more impactful. Specification: Product material: plastic, Product size: 175X82X50MM, Fan size: 75X75X25,Fan speed: 1500-3000±10% RPM, Line length: 0.4 meters, Product weight: 230g, Maximum air volume: 75.35CFM, Rated voltage: 5V/12VDC,Rated current: 0.35±10%A, Input power: 1.75W Package Include: 1*Cooling Fan, 3*Air Guiding Sleeve