PROMiXX: The Original Vortex Mixer. Beautifully Engineered High-torque Battery-powered Protein Shaker/Blender Bottle with X-blade Technology. 100% Leak-proof Guarantee. 600ml /20oz. BPA-free.

PROMiXX: The Original Vortex Mixer is the world's most powerful battery-operated vortex mixer, capable of over 12,000RPM to effortlessly blend even۬the most stubborn of ingredients. PROMiXX Vortex Mixers have been independently tested and found to achieve superior mixing results compared to conventional shaker bottles - it's no surprise that PROMiXX is the shaker bottle of choice by thousands of elite athletes across the globe. Truly a product in a class of its own.