【Low Noise/Compact】The AQielev hair dryer design strategically places air ducts throughout the hair dryer, reducing vibration and friction, and keeping noise below 59db. 【200 Million Negative Ions/Hair Quality Improvement】The new AQielev high-concentration negative ion hair dryer adopts innovative negative ion generation technology, neutralizing static electricity and making hair smooth and shiny. These negative ions synergistically interact with the positive charges in the hair, suppressing hair breakage and frizz over a period of 3 weeks, leaving hair smooth and easy to comb. 【High Air Volume Quick-Drying Hair Dryer/22m/s・110000RPM】It reaches 110,000rpm in just 1 minute, achieving a high wind speed of 28m/s, and is a high-performance brushless DC motor that instantly blows away hair moisture. It speeds up hair drying. 【NTC Temperature Sensor/Overheat Protection】The AQielev hair dryer has a high output of 1200W and is equipped with an NTC temperature sensor, which automatically and efficiently adjusts the power of the heating element to maintain a uniform temperature at the outlet of each hair dryer. mode. There is no sudden temperature rise when drying your hair with the hair dryer, and it effectively protects your hair at a stable temperature, reducing hair loss and damage caused by overheating, and protecting the shine of your hair. 【3 Wind Temperature Settings/2 Wind Speed Settings】This hair dryer is multi-stage adjustable, with 2 wind speed settings and 3 wind temperature modes (cold air, warm air). By pressing the temperature adjustment button, the light corresponding to each temperature (cold air is green, warm air is o