Re-engineered lightweight format that streamlines and evenly heats powerful airflow. Dyson Hyperdymium motor produces high-pressure airflow. Engineered to focus heat and airflow for fast drying precise styling and a salon finish. Five intelligent attachments are preset to the right temperature and airflow. 4 Heat settings including cold shot. Sound level: 80.1 dBA. Dimensions: 6.5"H x 4.3"L x 2"W. Includes: Supersonic r Hair Dryer. Diffuser. Flyaway Attachment. Pro Concentrator. Wide Tooth Comb. Powerful Air Attachment.