Wolka Cordless Automatic Curling Iron, Automatic Curling Iron with Tourmaline Ceramic Heater and LED Digital DisplayCordless Curling IronSUGGESTIONS:1. When first used, the curling iron takes 2-3 minutes to heat up the heating rod.2. The curler provides 6 timers. For thick hair, use a longer timer each time you curl.3. When using for the first time, the battery must be fully charged. Please press and hold the "curl" button until you hear a beep.4. It is best to take a small amount of hair each time to avoid too much hair getting stuck.6 Temperature adjustmentPress "Menu to select temperature, direction, / and timer one after another and press Setting to set the temperature value range: 150, 160, 170, 180, 190, 200.+ product6 Temperature SettingPress "Menu to select temperature, direction, / and timer one after another and press Setting to set the temperature value range: 150, 160, 170, 180, 190, 200.6 Timer SettingWith this device that instantly transforms curls into curls and offers 360 full 3D heating, your style is instantly set to keep your curly hair longer. Effortlessly sculpt the perfect curl.Hair Beauty and Mini SizeThe cordless curler with built-in battery can be easily carried in your pocket or backpack with the perfect size (only 7.6 inches long) that fits comfortably in your hand to attract hair faster.FeaturesPress and hold "Power ON / OFF for 2 seconds to turn on the device Note: To turn off, press and hold Power ON / OFF for 2 seconds.Press "Menu to select temperature, direction, / and timer one after another and press Setting to set the value Temperature / Direction / Unit: / / TimerThe device starts heating after setting the temperature. Note: The heating symbol flashes during heating. When the temperature setting icon is reached, it stops flashing and you will hear a beep.Comb through to remove all tangles and divide hair into sections no larger than 0.78 inches.Feed the strand through the curler chamber and hold down the Start button to activate the motor which pulls the hair into the curler chamber.Release the start button when you hear the first beep.