【Negative Ionic Technology】: One step hair dryer brush with 360° release of negative ions design and ceramic coating can saturate the airflow, can increase the moisture of your hair. This helps condition and make hair shinier while reducing frizz and static, and preventing the hair from splitting. Perfect for dry and wet hair all hair types.【Professional 4 In 1 Function】: In addition to hairdryer and curler brush, our oval brush hair dryer also straightener and brush. Suitable for all ages and hair types, like long hair, curls. Besides, one step hair dryer & styler is designed with Nylon Pin & Tufted Bristles for easy detangle & better grip of your hair. The ergonomic handle is designed for maximum comfort and ease of use during styling.【2 Speed & 3 Temperature Settings】: 1100 Watt power delivers, 3 adjustable heat levels for different hair types, high heat for thick hair, low heat for fine hair, flexible setting to lock in your beautiful hairstyle.Rotary button design," Cool"-- nature temp.and high speed;""Low""-- medium temperature and low speed;""HIGH""-- high temperature and high speed.【Ergonomic Design】: Anti-sclading tips brush keeps hair from getting tangles and the oval edges help add volume to hair. It will help you make hair light, anti-tangle, bringing silky shine and texture with just one hand operation. Drying hair on your own easily at any angle with the 360° 6FT swivel power cord, the cord doesn't get all twisted up.【100% Satisfactory and Lifetime Service】: The Aima Beauty One Step Hair Dryer and Volumizer meets U.S. safety requirements and proudly features the ETL Certification seal (look for the ‘test’ button on the plug which is required for all hair dryers in the U.S.). We promise all our customers a 365-Day Money-Back Service and 12 Months Replacement, as for the customer service, just feel free to contact us as we are 24h*7d online. You can use it with confidence!