1.Ergonomic design: This straight hair comb is ergonomically designed, comfortable to wear and easy to use, making daily styling time easier.2.Cordless hair straightening comb: The hair straightening comb is cordless, so there is no need to worry about wire tangles. It is light in weight, suitable for travel, home, party, office, outdoor, etc.3.PTC heating element: This straight hair comb adopts PTC heating element, which is smarter and evenly distributes heat. Just repeat it a few times on the hair to straighten the hair immediately and make the hair more shiny. Ideal for women and men who need to work quickly in the morning.4.Temperature control and automatic shutdown: Use the temperature lock function to adjust the temperature that suits your hair. With the LED indicator on the straightening comb, you can easily adjust the right temperature. If not used for 30 minutes, the device will automatically turn off.5.Safety: This straight hair comb can be used safely, with a high-temperature resistant insulator shell, and anti-slip texture, making it safer to use anti-scalding.