Washable: Easy to disassemble and clean. The electronic part cannot be washed. The bottom part is washable and can withstand high temperature. Compatibility: It is compatible with canned beers, perfect for parties, weddings, feasts, bars, pubs, KTV, and home use. Easy to operate: Just one click makes it easy to operate, and a smooth and silky foam can be produced in several seconds. Ultrasonic design: Ultrasonic vibration at 40,000Hz high frequency enhances the beer, making it smoother. Battery powered: Works under ultrasonic vibration with two AAA batteries (not included). Color: Black Material: Plastic Package Contents: 1 x Canned beer foamer Only the above package content is included; other products are not included. Note: Light and different displays may cause the color of the item in the picture to appear slightly different from the actual item. The measurement allows an error of +/- 1-3cm.