Comb and Flat Iron in One - TYMO RING straightening comb combines a comb & flat hair iron in one to deliver super straight hairstyles in a single pass, making hair styling easier and more efficient than a flat iron hair straightener. PTC Heating & 3D Brush Teeth - TYMO hair straightener brush adopts 3D brush teeth with PTC heating technology to deliver even heat, reducing 50% heat damage and creates salon grades result without frizz. 5 Heat Settings for Different Hair Types - The hair straightening brush has 5 temperature settings for different hair types. Heating up in just 20 seconds, the hair brush straightener saves you time during your morning rush. New (open box)