Hair Straightener, Straightening Comb, Electric Hair Styling Comb Exclusive head massage function. The perfect combination of traditional combs and hair styling functions effectively massages the head and scalp, relieving tension and fatigue. The temperature at the top of the hair comb (the red dot) is approximately 50°C, and combing your hair provides an effective massage. The cable end is constantly wound, and the power supply is designed with a 360-degree anti-winding design. Precise temperature control via an intelligent core. Negative ion anti-scalding repairs hair. Unique touch anti-scalding massage. How to Use: Different hair straightening results can be achieved by using different temperature settings on the electric straightener. The hair straightener has eleven up and down buttons, and each button can be changed by 5 degrees Celsius. We recommend starting with the highest amount and then lowering the temperature level depending on the hair quality. 1. Turn on the device first, then set the temperature and wait until the temperature reaches the desired temperature. 2. Thicker hair usually chooses a higher temperature of 210-230 degrees, 3. For general hair quality, choose the medium temperature of 210-190 degrees 4. For thinner hair, choose 200-170 degrees 5. Press the UP/DOWN button simultaneously to switch between Celsius and Fahrenheit, Fahrenheit display: 176°F-450°F Celsius display: 80°C-230°C, high-temperature protection, display "ERR", low-temperature protection, display "ERR" 1. Do not allow children under 14 years of age to use this product without adults 2. Do not use it with water or in the bathroom or damp areas 3. Do not modify, disassemble, or repair this product yourself 4. This product must not be placed in fire or heated from the outside. 1. Do not use it near the sink, bathtub, and pool; it is easy to cause damage 2. Check for any damage before use; if there is any damage, stop using 3. Do not place plugged-in products where they can be used by children 4. Wait for the cooling state when placing the product.