The Bevstir® Portable Power Mixer Cup is both powerful and gentle at the same time. The electric motor drives the Magnetic Stirring Disc at speeds up to 8,000 revolutions per minute. While the smooth surfaced stirring disk gently agitates the mixture as it propels the liquid into a high speed vortex. A smooth blend every time. The Bevstir® is able to handle the heaviest of protein and nutrient supplement mixes, as well as producing exquisite foamy Caffè Lattes, the Bevstir® is ideal for either hot or cold beverages due to it's double walled insulated cup. MIX IT UP WITH BEVSTIR®Bevstir Industries