The brush has 3 interchangeable brushes of 3 different sizes. To facilitate removal after combing, the brush head rotates, while holding down the button. As soon as the button is released, the brush is held back in position. Each of the accessories can be used as follows:. Diameter of 24mm: For the molding of long hair. Diameter of 19mm: For the molding of half mane. Diameter of 14mm: For the molding of short manes. The Trio airstyler offers 300 Watts of power and heat: I: Medium airflow. II: Strong airflow. It can be used on wet or dry hair 2.70 m of rotating cable.