Small oval brush diameter (reducing the total volume of the Volumizer by about 30%)unique shape with gently curved sides, perfect for getting closer to the hair roots and creating more volume, flawless smooth areas and beautifully curled ends. Perfect tool for medium and short hair!Shorter duration, less damagedesigned for quick and even distribution of air to hair, for faster drying and styling and less heat damageCombo bristlesNylon pin bristles with comfortable spherical tips for gentle untwisting. Combination of nylon pin and wild boar bristles for good grip of hair on the curved edge for more volume and control for smooth, shiny resultsIONIC TECHNOLOGY® negative ions provide a neutral charge on the surface of hair for a neat, smooth appearance and reduce ripple and static charge for healthy, shiny hairCERAMIC COATINGfor even heat distribution and less damage3 temperature levels including Cool Touchfor complete dryingand flexibility DUAL CONNECTOR EU/GB ideal for changing the cord