1. Recharable and Wireless Heated Styling Brush: Powered by built-in 2600mAh rechargeable battery by USB charging, one full charge for 4h can provide 40 minutes working. Perfect for travel and excellent for everyday use to get rid of wild curls and keep your hair naturally smooth and smooth.<br> 2. Suitable for All Hair Types: We offer 2 adjustable heat settings from 180? to 220? with just one button. You can adjust the temperature to make it work for any type of hair, including soft, fine, thick, curly, and even facial hair. Just comb your hair with this straightening brush to smooth out frizz and waves.<br> 3. Anti-Scald & Safety: 3D Comb Teeth, fast combing. Embedded thermal conductive comb, reinforced three-dimensionalinsulation layer, skin 0 contact, anti-scalding design rejects injury.<br> 4. Fast Heating: Only need to wait 90s to heat, then you can use the straightening brush. The PTC ceramic heating can quickly straighten or curl hair, keep your hair looks more silky and shine for a long time!<br>