The item is a self-stirring mug which is the mug. It is powered by 2 AAA batteries (Not Included), and it is great for tea, coffee, milk and soups. Only press the button and have the hard work . Features -Color:Coffee -Material:ABS+PP, stainless steel -Size:14.00X13.00X9.00cm/5.50X5.11X3.54in -Battery: 2pcs AAA batteries (Not Included) - It is very suitable for coffee powder, tea, chocolate powder, milk, protein shakes, lemonade, broth, and many other lightly mixed beverages that can be stirred. -The self-stirring cup can mix liquid and powder drinks evenly. -Great for stirring coffee powder, tea leaves, chocolate powder, milk, lemonade, broth and many other light blended beverages -Our stainless steel coffee mug can be used as a normal drinking glass. It's also easy to clean. -Press the button once to start automatic stirring. Press again to stop stirring. Package list: 2 x automatic magnetic stirring coffee mug