"1.This item is an electric hair straightener brush mainly of daily care, it helps detangle your hair and straighten hair instantly while leaving behind a healthy shiny, sleek, frizz-free hair  2.Ionic can penetrate into hair core, intensively nourish hair from within to create better hair that is more resistant to the dry, damaging effects.  3.This hair straighteners have ceramic coating, which can protect your hair and the tourmaline heating panel helps to seal moisture into your hair and reduce frizz. 4.Negative ion infrared hot wind comb. Fast heating, small sound. 5.The temperature of this comb is adjustable and can blow cold and hot wind. "