INTERNATIONAL DUAL VOLTAGE: The weight of the product is only 176g, it is mini, light, and portable, very suitable for travel, and dual voltage avoids the trouble of using it abroad, plug and play. It is safer than ordinary splints and easier and faster to use. Hair Straightener Brush Comb: Comb + Straightener = Hair Straightener Brush Comb. No need to carry too much equipment, you can straighten hair and curl hair at the same time, achieving dual-purpose, combing hair, straightening hair, and curling hair at the same time. It is a powerful tool for creating a variety of styles. 3D MCH FAST HEAT DESIGN: MCH fast-heating chip can reach a usable temperature in 20 seconds, provides even and stable heat, and is equipped with heat-insulating protective comb teeth and anti-scalding design, close to the scalp, helping to make each hair smooth, straightening and protecting the hair at the same time, safe and convenient. TEMP CONTROL OF 9 GRADE: With a 9 precise temperature settings (290?~450?), designed to suit different hair types. With the LED display, you can easily find the most suitable temperature to create a wonderful hairstyle. For intimate hair care, meet the needs of different hair types. 200 MILLION NEGATIVE IONS: Upgraded hair care, with 200 million high-concentration negative ions, which locks in moisture in the hair, neutralizes static electricity and makes the hair smooth and close, closes damaged hair scales, avoids dry and frizzy hair, makes the hair stronger, and deeply moisturizes the hair core.