Negative ions to protect your scalp from heat damage smooth hair and lock in moisture. Helps to create smooth silky hair and eliminates frizz.Far infrared heat infrared energy heats hair evenly from the inside out for faster drying and lasting results. Reduces damage to hair protecting against heat damage.Offer 3 temperature settings high/ med/ low 2 speeds high/low and Cool Shot Button suitable for different demands flexibilityall customers could get best comfortable drying experience.3 attachments included Diffuser/Airflow Concentrator/Comb three attachments for styling and touchups help accelerate drying add volume and minimize frizz and meet your varied needs of hairstyle.Ideal hair styling tool for both men and women.