This device is actually two devices: a thermal brush and a hair dryer, and it has a series with two functions of a brush and a hair dryer. The hair dryer series is used for drying and styling, brushing and volumizing hair. The thermal brush series has ceramic teeth that can be used to straighten hair. All-in-One Design: No need for multiple hair tools. This blowout brush works as a hair dryer, straightener, curler, and volumizer, saving time and space. Effortless Styling: Get a gorgeous salon blowout with ease, from sleek and straight to voluminous curls. Time-Saving: Achieve your desired hairstyle in one simple step, perfect for busy mornings. Gorgeous Results: Create smooth, shiny, and beautifully styled hair every time.