BaByliss Trio Airstyler BAB3400E is provided with 3 interchangeable brushes of 3 different sizes. The 24 mm diameter brush is fir use and styling on long hairs, 19 mm diameter brush is for medium length hairs, while 14 mm diameter brush is for short hair. For ease of removal after styling, the brush head rotates, when the button above the switch is depressed. As soon as the button is released, the brush is again firmly in position. It offers 300 w power and 2 speed and heat settings. It has 2.70 m swivel power cord and it can be used on pre-dried and/or dry hair.