POWERFUL MIXING - Amazing 9??000rpm speed high torque motor. Scientifically engineered blade. Get ready for smooth?? lump-free shakes & drinks! Can also be used to mix cocktail drinks and much more!</br>EASY TO USE - Simply add liquid?? press power button to create vortex?? add powder?? and let mix for 30 seconds. SIMPLE CLEAN UP - Add a few drops of dish soap?? press power button?? and rinse!</br>USB RECHARGEABLE - The mixer is powered by a lithium-ion rechargeable battery. USB cable is included. Plug into your laptop or car for on-the-go charging!</br>PORTABLE - Leak-proof sports flip cap and detachable base make this mixer bottle easy to take anywhere! 450ml measurement scale on the bottle allows for precise mixing.</br>TOP QUALITY - Made of STAINLESS STEEL?? non-toxic?? BPA-free?? & f