Multifunctional & Portable Beard Brush: This hot beard comb supports voltage from 110V to 240V and of the size of 3.2cmx18.4cm / 1.26inchx7.24inch. It is an ideal beards straightener in your vacation journey or business trip to keep a refreshing look. Also very effective for women to straighten their hair. Take it home and enjoy great styling. Ergonomic Design & Easy to Use: The handle of the beard straightening comb adopt with ergonomic design, perfect fit for your palm and comfortable to grip without feeling tired easily for a long time use. Three Adjustable Temperature meets most beard and hair styling requirements. Advanced Negative Ion Technology: The beard combs for men release negative ions through the four negative ion spray holes preventing heat damage. Through the soft comb teeth it can evenly transfer heat to your beard or hair. Reshape your hair and beards way more lustrously healthy. Helps to smooth frizz and keeps your beards and hair looking healthy and natural shine. Safety Rapid Heating: The beard straightener brush use advanced PTC heating element which is safe to use. The premium heating speed and stability can quick achieve different styles for all hair and beards, either curl, straighten or simple brushing. 2 In 1 Straightener: The beard straightener is designed specifically for facial hair and beard, no damaging your beard and burning your face. The beard straightener also can use on your hair. 2 In 1 Straightener keep your beard and hair a long lasting amazing effect a whole day.