Bio Ionic SMART-X High Efficiency Dryer The SMART-X™ High Efficiency Dryer dries hair 75% faster, 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. BIO IONIC Moisturizing Heat™ Technology hydrates hair from the inside out by emitting natural negative ions that allow water molecules to penetrate deep into strands. Hair is left softer, shinier and smoother. SMART-X™ Technology automatically balances air flow and temperature 100x per second. It ensures optimal consistency between air and temperature for maximum efficiency and healthier styling. Dries hair 75% faster 3 heat and 3 speed settings with auto-memorization for personalized styling Self-cleaning function to deter passage of dirt particles to motor and hair Weighs .75 lb. — lightweight and compact without any compromise to professional-quality performance Use Use nozzle for precision styling and concentrated airflow.