Features: Easy to Use: The coffee mug features advanced self-stirring technology. Simply press the automatic stirring button on the cup and the propeller at the bottom spins, mixing the solute and solvent particles into a lovely froth. Material: The self-mixing coffee mug is made of IP67 waterproof material and 304 stainless steel. The mixing cup is also easy to clean and just rinse with tap water. Gift: It is the great gift for your family, friends and colleagues at special days such as birthdays, father's day, mother's day, Christmas, Thanksgiving day. Wide Use: This autoblender is perfect for coffee, tea, hot chocolate, milk, protein shakes, broth, and many other light mixes that can be stirred. After-sales Service: If there is any problem with our products, please contact us first, we will provide you with solution in the fastest time. So why not give it a try? Specification: Material: Stainless steel Size: 135*90mm Notes: Please allow slight tolerances in size due to manual measurement, and lighting in photography may result in a difference in color than in real. 1 * Automatic Mixing Coffee Cup