The Shark IQ 2-in-1 Concentrator intelligently pairs with the HyperAIR Hair Dryer to automatically optimize temperature and airflow settings to dry and shape your hair in fewer steps. When an IQ 2-in-1 Concentrator is attached, Shark HyperAIR intelligently sets the ideal heat and airflow settings for faster, healthier styling that gives you the best sleek and smooth results, Easily move the IQ 2-in-1 Concentrator lever to toggle between pre-styling and precision styling mode to dry and shape your hair in fewer steps, The pre-styling mode creates a wider airpath for a gentle, all-over quick dry from roots to ends, while precision styling mode creates a narrow, targeted airpath for smoothing, shaping, and bending, This IQ Styler is compatible only with Shark HyperAIR Dryers and has the power for any hair type. DETAILS: 3.35"H x 3.35"W x 3.15"D, Plastic, Compatible with Shark, HD112, HD113, HD120, Model no. XSKHD121CA,. WARNING: Cancer and Reproductive Harm. For more information go to www.P65Warnings.ca.gov - https://www.p65warnings.ca.gov/. Size: One Size. Color: None. Gender: unisex. Age Group: adult.