2 In 1 Hair Straightener Brush And Curler Negative Ion Hair Straightener Styling Comb 1. 2-in-1 hair styling tool, combined hair straightener comb and hair straightener, can help you get super straight hairstyle in one go 2. With heating technology and negative ion generator, it can heat up quickly and provide even heat distribution, it can cover more hair at one time and heat evenly, making hair smooth and shiny, helping you create frizz-free straight hair and keep hair shiny healthy. 3. The hair straightening brush adopts 3D brush teeth, adopts PTC heating technology, heats evenly, reduces heat damage by 50%, and creates salon-level effect without frizz. 4. 5 temperature settings, can meet various styling needs of different hair types, can heat up quickly within 10 seconds 5. Power supply mode: built-in lithium battery