Distribute the heat to the surrounding, about 28db low noise will not bother others at all.Lightweight and slim, easy to carry compatible with work, school, travel or pleasure.Large high percompatible withmance fan reduce the huge amount of heat that produced in the laptop.Adopts large area metal net, effectively reduce the noise generated by wind resistance.Laptops under 17 inch can be used, even if the laptop is slightly larger than the radiator, the use will not affect the heat dissipation effectsize:355x275mmMaterial:Plastic + Metalcolour:BluePackage Contents:1 * Laptop CoolerOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.