What it is: A smart straightening and styling iron that takes the work out of temperature selection through T3 HeatID, a smart hair profile.What it does: Designed to be accessed through the touch screen, the nine heat settings automatically customize based on your hair texture, length and color. T3 CeraSync heaters evenly distribute and synchronize heat across both plates for fast styling.Features and benefits:- CeraGloss ceramic plates provide shiny, frizz-free, long-lasting styles.- StyleEdge design straightens, waves or curls with a smooth, snag-free glide.- Touchscreen and auditory feedback provide easy and intuitive setting selections.- Ion generator minimizes static frizz, boosts shine and locks in style.- Refresh mode reduces heat levels to retouch and smooth previously styled hair with less heat exposure.- ThermaTouch insulation technology offers superior grip comfort for confident styling.- Auto world voltage (100-240V) for use around the world with the addition of a plug adaptor (sold separately).- One-hour auto-off for worry-free styling.- Eight-foot, 360º professional swivel cord. How to use: Plug in the iron and hold down the power button to turn the device on. Set your HeatID profile by toggling through each option, highlighting your selection. Double tap the power button to lock in your profile. Once ready, the iron beeps and the light stops blinking. You can also go on manual mode to adjust your heat settings manually, or refresh mode to retouch previously styled hair. To style, begin with dry, detangled hair. Section and twist the top half of your hair out of the way, then repeat for the bottom half of your hair leaving one wide section out. Slowly glide the iron through the section from roots to ends, repeating on all sections.