All Hair Types: The brush blow dryer is suitable for various hairstyles, whether your hair is long, short, straight, curly, thick or thin. 3 flexible heat settings are for different needs of shaping your beautiful hair | Negative Ionic Technology: Equipped with a negative ion generator, the blow dryer brush release negative ions to neutralize positive ions in hair, reducing frizz and static and making hair smooth and shiny | 4 in 1 Hair Dryer Brush: Comb, hair dryer and styler volumizer curly Iron in one, comb and style while blow-drying. 360° surrounded wind and 50% bigger drying area let you save at least half of drying and styling time | Upgraded Design: PA + 30% glass fiber material makes the round brush lightweight. The cool tip and tufted bristles add extra lift at the root and volumize hair, ergonomic handle design for a comfortable grip | ALCI Safety Plug: The hot air brush with ALCI plug complies with US safety requirements. This unit will work with 125 volt US outlets. Do not use voltage converters or adapters as it can damage the device