The USB powered Targus HD3 Gaming Chill Mat™ is a sleek looking cooling pad specifically designed to cool up to 18-inch high-performance laptops. This cooling system features three ultra-quiet, highly efficient fans with durable bearings. Fans are powered using a standard USB connection that can be connected to your laptop or computer using a mini-USB cable. An adjustable fan speed dial features proper control, so it’s easy to adjust the cooling level without taking your eyes off of the laptop screen. Also durable aluminum alloy grill is lightweight and cool to the touch. Additionally its industrial, perforated design is built to improve heat dissipation while the laptop is in use. Well developed airflow straighteners help focus the air right where you need it most while reducing air turbulence for more targeted and efficient cooling. Moreover a LED indicator light is positioned on the front corner to know the On/Off status of device. With all these features and more the non-skid elastomer feet provide a stable grip so the chill mat does not slide while the laptop is being used.