Brand new bought but never used. This brush incorporates double negative ion technology the maximum and negative- ions to create shiny smooth frizz-free results with zero static. ceramic bristles with nylon cool tips emit far- infrared heat that instantly penetrates the cortex of the hair cuticle heating from the inside out the results? Beautiful silky hair is achieved in minutes while reducing damage an LCD digital interface allows for precise settings and monitoring of temperature up to 450 °f the auto shut-off feature means no power will be wasted when not in use in addition a temperature lock allows for uniform temperature control and easy grip 9ft 360° swivel cord makes styling a breeze without limitations