Never used, brand new in box!! SMART-X™ High Efficiency Dryer + Diffuser Lightweight, High Efficient Power, Dries Hair 75% Faster* The SMART-X™ High Efficiency Dryer dries hair 75% faster*, using more air pressure and less heat for an overall healthier dry. 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.