Back to Basics SM700 Signature II Smoothie Maker, Black (Discontinued by Manufacturer) Powerful 600- Watt / 700-Watt pulse motor Patented stir stick technology forces the ingredients into the mixing blades for a smooth chunk-free beverage. 4 speeds and pulse operation offer precise control over blending functions with low, medium, high, ice crush and pulse operations Elegant 56-oz. glass blending jar Dispensing valve for ease and convenience in serving icy drinks and thick beverages.