The small powerful Dyson digital motor V9 combined with air Multiplier technology. Produces high-pressure high-velocity jet of controlled air for fast drying and precision styling. Intelligent heat control: measures air temperature over 40x a second to regulate heat. Magnetic attachment adjusts quickly and easily. Heat Shield technology keeps the surfaces of attachment cool. The powerful motor is tuned to produce one inaudible frequency. Negative ions help reduce static in the hair. Three speeds and four heat settings. Includes styling concentrator.