- Environmentally friendly USB rechargeable design: no disposable batteries. Built-in rechargeable battery lets you charge anytime, anywhere and use it several times a day after a full charge. Lightweight and convenient for on-the-go use. - Stainless steel stirring heads: includes 3 detachable heads for versatile frothing and mixing. The hook stirrer is ideal for milk powder, protein powder, nutritional powder, oatmeal and other powders. The spring stirrer creates rich milk froth for latte and cappuccino. The balloon whisk is great for beating eggs, cream, condensed milk or baking. Easily switch between uses for various kitchen tasks. - 3-speed settings: high, middle, and low controls on the main unit to tailor the foaming or mixing performance. Effortlessly produce creamy foam for coffee and blend beverages in 15-20 seconds. - High-quality and safe materials: constructed from food-grade ABS with an ergonomic handle and accessible buttons for comfortable operation. Durable, safe and easy to clean.