Simple one-touch button with low noise, just put it into a container of liquid food with about 1/3 foam, it stop working when you release the button , the groove design on the handle and flat top can be placed flat and upside down without additional brackets Built-in battery, this electric milk frother solves the trouble of replacing batteries With the Type-C charging interface, there is no need to worry about the direction of the charging port. Very chic and modern, and portable. The handle part adopts ergonomic design and frosted process, which is fashionable, non-slip and comfortable.