Premium quality black and silver self stirring mug Press the stir button and get maximum result with minimum effort 2 x AAA batteries required which are not included Dimensions: 9cm diameter and 12cm high Amazing for lazy tea and coffee lovers Brand New and High Quality Black and silver Self Stirring Mug Amazing for Lazy tea and coffee lovers Self Stirring Function Press the stir button and get maximum result with minimum effort Batteries not included Dimensions: 12cm high 9cm diameter. 2 x AAA batteries required Enjoy your coffee..!!!