High quality blending: variable speed (from 0 to 15000 rpm) creating a powerful vortex. Pulse function (18000 rpm) for an optimal results. Exclusive patented Santosafe® locking system for bowl and cover, which allows a hands free use. Filler cap to add ingredients while blending. A complete range of bowls is available: 2 liters and 4 liters, stainless steel or transparent (without byshpenol A).