3 temperature levelsThe heated brush heats up quickly in 30s , and you have the option to set the temperature from 150C to 180C.Press and hold for 3 seconds to turn on.When the product heats up, the LED light will flash.When the set temperature is reached, the LED light will stop flashing Ceramic coating Features a ceramic coating that distributes heat evenly for shiny, smooth, frizz-free hair. Ideal for different hair types and lengths 150C for fine and soft hair, 160C for normal hair, 180C for thick hair. Can be used to straighten hair, curly hair Type-C charging cableThe hair straightener can be charged on computers, mobile power supplies, cars and other devices Mini cordless straightening brushOur straightening brushes are cordless, which allows us to do any style more easily. 7.48 * 1.38 inches, easy to carry, ideal for use in office, travel, business trip, etc.