It spins at 4800 rpm to ensure smooth mixing of protein. Just click once and wait 30 seconds, and your shake is done—so easy! Easy to clean, add water to the protein shaker bottle and turn on the stirring function to clean the inside of the cup. The base is waterproofed to IPX5. Made of Tritan, 100% BPA-free blender cup. Remove the base, and you can put the cup in the dishwasher for cleaning. Rechargeable design, two months of use on a single charge of approximately 2 hours. The battery base is designed with a cool ambient light that produces a unique rotating light effect when stirring.