High-speed 100,000rpm brushless motor with 19m/s airflow cuts drying time for quick, salon-quality results Comes with one snap-on nozzle for precise airflow control and effortless styling versatility Thermo control technology alternates hot and cold airflow to prevent heat damage and keep hair healthy and strong Built-in microprocessor monitors temperature 50 times per second and makes slight adjustments to maintain safe heat levels while drying 150-million negative ions reduce frizz, lock in moisture, and leave your hair silky smooth with a healthy, natural shine Ergonomic design with simple buttons ensures easy handling, while the tight filter mesh keeps hair safe from being drawn in Small and portable design, weighing just 0.76lb. (407g), is perfect for home use and travel Safe for children and expectant mothers