The microprocessor monitors the air temperature 100 times per second and makes small regular adjustments to avoid your hair from being damaged by extreme heat. Strong airflow can dry hair in a short time which is 2x faster than traditional hairdryers. Usually it takes 2-8 minutes to dry hair depending on hair length & thickness. The blow dryer has million negative ions making your hair silky without the frizz. Ionic will lock the moisture in your hair and bring your hair natural shine. In addition intelligent constant temperature can reduce the scalps sense of heating and prevent your hair from heat damage. Small and portable ideal for home and travel. Ergonomic design simple button and the filter make the blow dryer easy to use. Filter mesh is very close and wont suck hair. Portable hair dryer is also safe for kids and pregnant moms. Specification: Product Size: 18*14.5cm Rated Voltage: 220V Rated Power: 500W Notes: 1. Due to the lighting effects and shooting angles there is a color difference in the product please understand. 2. Due to manual measurement there is a tolerance in the product size.