Innovative design, light and portable, not tired to hold. Aero Engine Turbine Fan, 7 fan blades, wind speed up to 20 meters per second. Intelligently control the wind temperature to 57 degrees Celsius. Dry hair quickly, does not damage hair. Hit 6.1g/min. The negative ion emitter releases 50 million negative ions. NTC Multiple overheating protection, safer. Three modes, free adjustment. UV spray paint, feel comfortable and delicate, not easy to get dirty.