The SMART-X High Efficiency Dryer dries hair, using more air pressure and less heat for an overall healthier dry. Its breakthrough SMART-X Technology automatically balances air and temperature 100x per second to ensure consistency for maximum efficiency. Plus, advanced smart features including 3 speed and 3 heat settings with auto-memorization allow you to personalize your styling experience. A self-cleaning function makes styling quick and easy, while prolonging the life of your dryer.