Produces 30% more frizz-eliminating ions for softer, sleeker looks in half the time with internal ion generation. Revolutionary technology of vertical-mounted fans makes this 20% quieter than leading hair dryers. Centrifugal fan design maximizes speed for optimal energy efficient results. Unique u-shape end cap increases airflow for faster drying. 2 speed and heat professional rocker switches give you styling options, while cold shot sets the style. Includes bonus concentrator attachment.