USB electric coffee milk bubbler foam machine egg beater whisky mixer 3 mode This electric milk bubbler can quickly turn milk or cream into smooth foam. Widely used for mixing eggs, butter, milk, soups, sauces, etc. Perfect for coffee shops, beverage stores and restaurants to make foam milk for lattes Rotation speed (RPM): 6000-13000rpm/min Power supply: USB charging Battery capacity: 18650 lithium battery 1200mah Usage time: 1.5H Mixing head: double mixing head (balloon mixing head/small mixing head) Gears: Three adjustable gears Low speed 6000/min: 1 gear distribution, medium speed 9000/min: 2 speed mixed high speed 13000/min: 3 gear High speed position: low off medium off high off Charging mode: charging red, full green color: blue pink gradient Material: plastic+stainless steel Size: 31.2 x 4cm Package content: 1 electric mixer, 1 USB cable, 1 balloon mixing head, 1 small mixing head. Only the above packaging content is included, and other products are not included. Note: Light photography and different displays may cause the color of the items in the picture to be slightly different from the actual object. The allowable measurement error is+/- 1-3cm