Densely Packed Bristles for Faster Styling: With 2X denser ceramic bristles, the Ufree straightening brush grips more hair in every pass, ensuring faster, more efficient styling. A flat iron and a brush in one, streamlines your routineNegative Ions Combat Frizz & Boost Shine: Achieve smooth, professional results with the hair straightener brush. Designed for all textures, it releases over 10 million negative ions to reduce frizz and boost shine. The ceramic-coated bristles glide smoothly for healthier-looking hair with every passCool Air System for Lasting Style: Equipped with a cool air system powered by a built-in motor, the straightener comb helps lock in your look by setting styles in place. This gentle airflow not only supports long-lasting results but also helps balance surface temperature and improve the even distribution of negative ions for smoother, healthier-looking hair5 Temperature Settings with Dual Voltage Travel Ease: This straightening brush features 5 adjustable heat levels from 280°F to 430°F, powered by fast-heating PTC technology. Whether at home or abroad, dual voltage (100–240V) ensures salon-quality performance anywhere your journey takes youSafe and Simple Styling Every Time: Ufree’s hair straightener brush includes anti-scald features like extended bristles and cool tips to protect your scalp and fingers. A 360° swivel cord offers flexibility, and the temperature lock plus 30-minute auto shut-off add an extra layer of safety