Simple one-touch button with a low noise level, just put it into a container with liquid food up to 1/3 to froth, and it will stop work you loose the button. If you to clean it, just put the whisk in the water and press the button to spin it clean. The is built of rust-resistant stainless steel for long-lasting. A motor produces very little noise while in use. The portable size is convenient to carry, making you can enjoy your morning coffee although traveling. And can you the pleasure of making coffee during the journey. Not only creates milk foam for coffees, cappuccinos, and macchiatos, is also suitable for making hot and cold , milkshakes, matcha tea, mixed drinks, , or even whip eggs. The frother is battery operated by 2 AA batteries (not included), just need to change the battery directly frother is out of power, so missing or finding sockets will not happen. It's very chic and modern looking, lightweight and portable, an ergonomic handle with a great design concept can save your time and energy. color:Black Material:ABS+stainless steel Package Contents: 1 x Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.