Never used REVLON Hair Straightening Heated Styling Brush, 4-1/2 inch. Features & details SMOOTH AND DETANGLE: Multi-Dimensional bristle and combs are designed to glide through the hair getting closer to the root to boost and revive your hair SECOND DAY HAIR: Built with an ionic generator to control frizz and bring back shine XL DESIGN: So you can style more hair faster for a root to tip contact ALL HAIR TYPES: High heat up to 430 ⁰F and multiple heat settings. LED smart heat memory system, auto shut-off, and tangle-free swivel cord TRAVEL READY: Lightweight and universal dual voltage