Quick Preheating and Easy To Operate: Heated Eyelash Curler uses nickel-chromium wire as the hesting wire, it's preheated quickly in 10s to reach the best curling temperature. Can be used with mascara to provide a longer lasting effect. Get naturally curled eyelashes and make your eyes more charming Adjustable Temperature and LED Display: The heates eyelash curler has 4 different temperatures that can be adjusted: 60/70/80/90, you can choose according to the thickness of your eyelashes. At the same time, the temperature can be displayed on the LED screen, you can clearly see the current temperature, which is very convenient. Safety Protection Design: Adopt the groove design, fits lashes perfectly. The groove will increase the distance between the heating wire and eyelid, thereby playing a protective role, so that you don't have to worry about accidental contact with the skin during use and burns. USB Charing and Portable: USB charging is convenient and environmentally friendly, and supports various charging methods such as car USB, power bank, laptop, and power adapter. It can be fully charged in about 2 hours.The heated eyelash curler is light and stylish. You can conveniently put it in your cosmetic bag and take it with you. Auto Power Off Function: If you forget to turn off the power, it will automatically shut down in protection mode after 5 minutes.