Perfect for spring and summer hairstyles, create a bold summer style, wake up your life with this straightening brush and make your most colorful looks sparkle! 3D Teeth - The Straightener Brush is designed with 3D teeth to straighten the appearance of hair even at the roots. Dense pitch 鈥?Unlike other bristle brushes, the 0.07 inch (about 0.2 cm) dense pitch increases the contact area between teeth and hair, 聽 聽 聽 聽 聽 ensuring all hairs are heated and tightly closed to the tooth surface, completely straightening your hair. With Ionic Coating - The Straightening Brush features an ionic coating on the heated surface to keep hair shiny and healthy. During the styling process, millions of heat are released and a protective layer is formed to effectively reduce thermal damage to the hair. The extra ions deeply repair damaged hair and split ends, helping you achieve straight, frizz-free hair. Fast heating and large area saves half time PTC heating technology - the hair straightener adopts PTC (positive temperature coefficient) heating technology, which quickly heats up to 聽 聽 350掳F in 20 seconds. Safeguards with anti-scald and self-closing Anti-scald - V-shaped flame retardant plastic frame protects you from all angles. Automatic Power Off - The comb will automatically turn off after 30 minutes to ensure the safety of you and your family. Instructions: 1. Press and hold the switch for more than three seconds to turn on 2. Wait 1-3 minutes 180掳-200掳 3. Press the (+/-) button to adjust up and down every 5掳 4. Long press the power button twice to cool down slowly 5. The temperature can be adjusted arbitrarily according to your hair quality Rated voltage:110V-240V Heating power:45w Rated frequency:50Hz Heating Temperature:80-230掳C Heating method: PTC heating Package list: 1 x Hair Straightener