Package Contents: 1 * Smoothing Nozzle Attachmen, 1 * Adaptor. Wide and thin design for precision styling: The smoothing nozzle attachment provides smoother airflow to help you create precision styling. Smoothing nozzle attachment: The smoothing nozzle dries hair with smooth, controlled airflow, helping to create a smooth, natural finish. Convert hair styler into hair dryer: The adaptor let your hair styler works with smoothing nozzle, turn your styler into a hair dryer in seconds, which helps you save money to purchase hair dryer. Compatible with: The adapter and smoothing nozzle attachment are fit for Dyson Airwrap HS01 HS05.