360 Degree Swivel Cord & Auto Safety Shut-Off - You can straighten your beard at any angle, making it convenient to operate with one hand and reducing strain on wrist during operation, and out beard brush Automatically shuts off after 30 minutes of discontinued use. Improved MCH-Metal Ceramic Heater Heating elements are small ceramic stones with self-limiting temperature characteristics. Small ceramic stones have fast heating response time and just 60s this beard straightening comb can heat up to the set temperature. Advanced Ionic Heat Technology: The ionic heat technology seals the hair cuticle, eliminating frizz, split ends and knotty hair. It will also enhance your beard's and hair's natural shine keeping your beard and hair looking healthy and smooth. Deliver Straight, Smooth Facial Hair in One Pass: Our straightener brush has Unique PTC heating technology, which always maintains a consistent level of heat, the entire heated area is surrounded with hard plastic bristles to protect you from burning. Multifunction: Beard Straightening Brush is designed specifically for facial hair and head hair for both men and women, it helps detangle your hair and straighten hair instantly while leaving behind a healthy shiny, sleek, frizz-free hair.