The Bio Ionic Nano-i5X. Features Bio Ionic's exclusive Nano-Ionic Hybrid Mineral to produce 5 times higher levels of Natural Negative Ions & Far Infrared Energy, for the quickest drying, without damage, for super, silky, shiny, healthy, hydrated hair. The Nano-i5X is super-powerful, durable, and ultra-quiet. Dryer also features Ionic Styling Nozzle, Cool Shot Button, Variable Heat Settings and more. If you are looking for a great dryer, we are confident that the Nano-i5X is right for you!