[CERAMIC & IONIC TECHNOLOGY] Negative ions support a soft, shiny and silky hair. An ionic dryer breaks down the water particles in the hair, causing water to evaporate faster, so you get an accelerated drying process while keeping the hair moisture and natural texture. [FAST DRY] Powerful, abundant air flow powered by an efficient 1900Watt Twin-Turbo Engine. Less noise and no more wasted time drying your wet hair. Dry your hair faster and easier with the 3900 hair dryer.