Less noise. More power*! The BLACK+DECKER® Quiet Blender with Cyclone® Glass Jar features an innovative design that significantly reduces the noise of blending for a more pleasant blending experience. It delivers on performance, too, with up to 30% faster blending**. 6-Tip Serrated Blade Technology works with the Cyclone® Glass Jar to create a powerful vortex that efficiently blends all types of ingredients.