SPEEDSTYLE STYLING BRUSH. Features: Compatibility: Compatible only with Shark SpeedStyle (HD300 Series). End Style: Voluminous, straight styles. No Heat Damage: When used with the Shark SpeedStyle you can dry, volumize, and smooth, all at once, with no heat damage. 360 Rotatable Brush: To reach all areas of your hair with ease, press and hold the button, then rotate brush to your desired angle for easier access and maneuverability around the head. For All Hairkind: The QuickSmooth Brush gives straight, wavy, curly, and coily hair a straight blowout full of volume. Volumizing & Smoothing Bristles: Includes combination of volumizing and smoothing boar bristles for grabbing, smoothing, and shining. What's Included: Shark SpeedStyle QuickSmooth Brush Attachment. : :