It was a gift. Easy Straight: Simply brush for easy, natural straight hair. Negative Ions: Gentle on the hair, it conditions the cuticles, leading to shiny hair. Temperature Control: Adjustable from 80°C to 230°C in 5°C increments. You can finely adjust the temperature to suit your hair type. Burn Prevention Design: Special material is used on the brush tips to prevent direct heat to the scalp. 360° Swivel Cord: The cord is tangle-resistant and easy to use.