It is used to create creamy froth for various drinks like lattes, cappuccinos, and hot chocolate.
It can also be used as an egg whisk or to mix protein powder drinks.
The device is often battery-powered (e.g., 2 AA batteries) or USB rechargeable.
The stirring rod is typically made of stainless steel, while the handle is ABS plastic.
Many models feature multiple adjustable speeds for versatility.