【3 in 1 Multifunctional】Can be used as a curling brush, a straightening brush or normal massage comb. Sliding gear design, It glides through your hair without tangling. 【Ceramic Lonic Technology】The ceramic tourmaline coating barrel releases millions of negative ions while providing even heat, helping to reduce frizz and improve shine, leaving hair soft and healthy. 【Adjustable Temperature】Adjustable temperature from 265 ° F-430 ° F, 10 heat settings are enough to properly curl / straighten for all hair types. 265 ° F-320 ° F for normal or fine hair, 320 ° F-395 ° F for wavy or curly hair, 395 ° F ~ 430 ° F for thick or thick hair. 【Safe and Reliable Use】Anti-Scald nylon bristles and larger cold tip prevent scalding, 60-minute auto shut-off functions give you added peace of mind, and dual voltage 100-240V for worldwide use. 【High Quality Guaranteed】 Follow the instructions, if you have any other questions, please contact us. 2 years warranty.