Ceramic coating, the plate is made of ceramic and tourmaline, which can be heated quickly and evenly to help reduce static electricity and edgy, and make hair healthy. With rapid heating, the PTC heater is heated to 450 F in 60 seconds. The ceramic coating protects the hair and keeps curls for a long time. 60 minutes automatic shutdown and dual voltage, automatic shutdown after 0 minutes, compatible with 110V-240V voltage and 360 degree rotation line, ensuring that you can use it safely and conveniently anywhere. Tourmaline is a natural gemstone containing boron and complex silicate minerals. It can release dozens of minerals such as potassium, sodium and calcium. Trace elements and negative ions have bioelectricity and can be absorbed in line with human body current. According to a certain proportion of blending and blending into the aluminum tube, the supplemental show can generate electricity and reduce hair damage.