AirBase-3 features 4 high-speed fans that generate cool air to keep the laptop running efficiently and prevent overheating. The rubber grips on the surface of the AirBase-3 keep your laptop in place to provide a sturdy workspace. The fan speed can be controlled, to maintain an optimum temperature of your laptop. The fans are working to dissipate heat quickly and work silently. The device plugs directly into the USB port and no additional power is required.Tech SpecsFan Dimension140*140*20mmFan Speed1200±10%RPMFan Airflow75CFMFan Noise25dBPower InputDC 5VCompatibilitySupports up to 17” LaptopsFeaturesQuiet CoolingA silent 140 mm fan that generates 75 CFM of airflow to deliver cold air to your laptop's heated chassisUltra Slim ProfileStanding only 41 mm at its highest setting and weighing a mere 620gms, AirBase-2 is both thin and lightweight, making it easy to take with you on the go.Superior AirflowThe perforated metal mesh surface enables excellent airflow and greater heat displacement.Adjustable HeightThe multi-height adjustment pegs allow you to incline the pad to your desired viewing angle easilyUSB power connectorThe USB connectors allow for pass-through functionality, so you do not lose a USB port.