Powered Protein Shaker Bottle ​ Usage For athletes:Pre&Post workout nutrition;Mixes instantly;Increased absorption  Mixer for:Energy and drink powder & Cocktails & Juices & Baby formula & Eggs and much more  Features: The Stainless Steel, BPA Free bottle is durable and will turbo mix juices, energy powder drinks, baby formula, cocktails and more in minutes.   Portable size, taking your blender to any sporting event, the gym or anywhere, making travel easy and effortless.  The 16oz bottle works as a mixer and a water bottle with a tight fit lid and convenient snap-shut cap.   Simple One Button Push and the "TORNADO ACTION" quickly start to mix ingredients, then add more.  Instructions Instal 2AAA Batteries(remove rubber bottom to inser batteries);DO NOT TWIST OFF  Fill mixer with desired liquid  Push button and allow tornado to form  Add other ingredients to the vortex,portable mixer for instant mixing  Warnings Do not tamper with propeller blade  Do not unscrew bottom of mixer cup  Do not drink without lid on mug  Failure to follow these rules may result in a defective product at consumer's cost ​Resistant whilst being BPA and DEHP-free. Install 2 AAA Batteries  Capacity: 450ml. Weight: 320g.   Package include: 1 x Portable USB ​( No battery included) ​Rechargeable shaker Bottle. 1 x USB charging cable. 1 x Specification.