[Ultra hot straight hair] - Complete ultra straight hair in one go, with a high temperature of 450 degrees Fahrenheit (232 degrees Celsius), allowing you to straighten your hair in a few minutes, with a long-lasting effect. This is the perfect hot press comb for everyone, especially suitable for stubborn 3A-4C thick hair and rough hair. [Healthy Ceramic Comb] - Pay attention to safety and health: Heat is evenly distributed to keep hair shiny, smooth, and curly when straightening it. Quickly straighten the hair to create a smooth shape. [Widely used for wigs and beards] - The heating comb can be set according to the temperature of different types of hair. High end: 180-210 degrees suitable for stubborn hair, mid range: 160-180 degrees suitable for regular hair and wigs (heat resistant); Low grade: 80-160 degrees, suitable for soft hair and wigs [1 minute preheating, easy to use] - The anion preheating temperature can be set within 20 to 30 seconds, and can also be quickly heated at low temperatures. With just a comb, you can maintain a glossy, silky, and bloody appearance.