Renewgoo one step 3-in-1 hot air brushdelivers gorgeous volume and brilliant shine in a single step.The unique non detachable oval brush design smooths hair while the rounded edges quickly create volume at the root for beautifully full-bodied bends at the ends in a single pass. Helps to reduce moisture in hair for faster drying withless damage. It alsoreduces frizz and static charge, which makes the hair soft and shiny Suitable for all hairstyles, safe, sturdy and durable Tourmaline technology of negative ions for healthier hair 3 heat settings of Low, Medium and High Locks moisture and reduces irritability