This hair brush straightener works in a low temperature which will not damage your hair PTC technology, which means heating element that increases in resistance as it gets hotter or self-regulated heating Machine. Two in one function, gives the ceramic iron straightener, detangling brush, anion hair massager together, gives you a comfortable experience during straighten your hair Faster Straightening Styling: This straightener brush design for reaching an ideal in seconds. Just few seconds, it'll make your hair straighten faster. This anti-scalding straight hair brush will protect your scalp from high temperatures, and the flame-retardant plastic frame protects you from all angles. The straightener will automatically turn off after 30 minutes to ensure the safety of you and your family This digital hair straightener is adventure combination for hair straightener and combs, making a beautiful hair and a health care massage for your head at the same time