BaByliss Pro Titanium Tourmaline AirStyler 32mm.Powerful enough to finalize the hair drying. Gentle enough to give you control over styling, 2 heat/speed settings allow you to first finalize the hair drying, then reduce the heat as the hair dries in order to protect it. Brush Versatile brush for all hairstyles - smoothing, straightening, volume and curls. The hot air heats the barrel of the hairbrush. The heat spreads evenly on the hair section, making it easy to style.