DOUBLE NEGATIVE ION TECHNOLOGY: Our blow-dryer adopts the moisture balance dual ion system, every time you blow your hair is a for your hair, nourishing from the hair to the head layer by layer. POWERFUL AND EFFICIENT: Our hair blow dryer is equipped with a high-speed turbine motor and innovative wing-shaped fan blades, which greatly improves the wind speed and air volume of the hair dryer, and quickly dry and sets hair in a short time. SMART TEMPERATURE CONTROL FUNCTION: Our hair dryers have overheating and power failure protection and the hair temperature is constant at 57°C, which dries the hair faster and causes less damage to the hair and scalp. EASE OF USE: Our hairdryer does not need to look directly at the handle when blowing hair, easy to switch gears, 3 temperature options, easier to operate. STYLISH AND PORTABLE: Our portable hair dryer weighs about 0.9 pounds, is about 8.7 inches long and 2 inches wide, with a stylish design, is small and light, and can be used at home or on vacation, and can be easily put into luggage or bags.