1Rotatable power line, you can rotate it at any angle without worry about winding. 2Uses PTC heater, just use 30s to heat the straighter, convenient and easy to use. 3There are 5 gear levels for you to choose, meet your different needs. 4Ergonomic handle design is convenient and comfortable for you to grip. 5Suitable for straight hair style, you can easily do hair styling at home.