USB Rechargeable Battery with Stand: This rechargeable milk frother has a built-in rechargeable battery. It can be connected to any USB-enabled device via the USB port. Environmentally friendly and easier to charge.Adjustable Three-Speed Coffee Frother: With 3 speeds, you can choose the right stirring speed according to your needs. In any speed, simply press the ON/OFF button to turn off the frother. The higher the speed you choose, the less time you spend and the more exquisite the foam you create.Multifunctional Electric Whisk: The handheld coffee frother comes with 2 high-quality food-grade stainless steel whisks. Choose the feather whisk head to get the perfect milk foam, and choose the balloon whisk head for beating eggs. You can also use the balloon whisk head for a better frothing effect when using the large container.Great Kitchen Tool: Nefelibata milk frother is a great tool for the kitchen as it can be used for coffee, latte, cappuccino, matcha, hot chocolate, milkshakes, fruit drinks, eggs, cocktails, dressing, etc. It works well with both hot and cold liquids. We believe coffee lovers will love it.