StreetDeal Coffee Magic Battery Operated Frothing Mug. Product Description: Easy way to have your favorite drink within minutes, Create the most precious of the day with special drink you will love, Simply way to operate just push the button and add your coffee, cocoa or milk. Made of top grade Material: Plastic, Fully Capacity: 16 oz, Portable size with dimensions: 13 x 9 cm, Battery: 2 AA batteries (not included). Instructions: Simply Pour hot or cold milk into the cup (preferably 1/5 of the cup), One touch to operate, only press the button located at the base. Add your favorite drink such as black coffee, cocoa into the cup. Make it your won by adding topping such as chocolate sauce or cinnamon powder.