Electric Protein Shaker Blender My Water Bottle Automatic Movement Vortex Tornado 450ml Free Detachable Smart Mixer Cup BPA Free; Stainless Steal and Acrylic; Pre-workout; Eggs. Cocktails; Juice; Baby formula; Energy drinks; Protein; Lemonade and more Fill mixer with desired liquid. Push button and allow tornado to form. Add other ingredients to the Vortex. Portable Mixer for instant mixing. FOR ATHLETES Pre & Post Workout Nutrition, Mixes Instantly, Increased, Absorption, Portable, No Clumping, No Wasted Product Capacity: 450ml / 16oz. Weight: about 325g. Install 2 AAA Batteries(not included) 1 YEAR WARRANTY: If you have any issues with this product, please feel free to contact seller "chenwenweius"