The item is a self-stirring mug, which is the mug. It is powered by batteries (Not Included). mixing cup is made of wood and glass materials, which is sturdy, not easy to break and easy to clean. Features - - Material: High borosilicate glass, wood - Size: 14.50X10.50X8.80cm/5.70X4.13X3.46in - Capacity: 400ml - Power: 1W - Power: 7000 - Battery: 2pcs AAA batteries (Not Included) - Waterproof Rating: IP67 - Owning the and break resistance ability, very practical, with excellent texture. -The mug is very suitable for coffee powder, tea, chocolate powder, protein shakes, milk, lemonade, juice, broth, and more. -The self-stirring cup can mix liquid and powder more evenly and quickly than stirring by spoons. -Easy to operate, just need to press the button, and convenient for different stirring needs. -The mug is designed with a proper wooden handle, which is comfortable for you to grip. Package list: 2 x lidded automatic stirring mug