Fast Drying: Royalstar hair blow dryer is equipped with a 150000 RPM high-speed brushless motor and the wind speed up to 36 m/s, It takes only 3 minutes to dry hair, which strong airflow can dry your hair in a short time and is 6x faster than traditional hair dryers. Negative Ionic Hair Dryer: Royalstar ionic hair dryer adopts advanced negative ion technology and it can release 200 million negative ions during the blow-drying process. keeping your hair silky and effectively lock in moisture. A Gloss +15.90%, Smoothness +2.93%, frizziness -35.7%. fluffy and stylish, and give your hair a healthy and natural shine