Powerful Motor for Faster Drying The professional hair dryer delivers strong wind for fast drying even thick wavy hair in less time, because of the High-speed motor, up to 21,000 rpm. Compact design will be more lightweight & portable Lightweight & Portable. Deeply Protect Hair from Damaged Hair care and low-radiation. The hair is protected at a constant temperature, evenly dried, no damaged. And Air outlet electromagnetic low radiation. 1 Cool Shooting Button & 3 Heat Settings One speed control knob + Three heat settings for complete drying and styling flexibility.