1. Fast SelfHeating with this Espresso Machine, you can enjoy it all the time. Add hot water, double click the button to start and get the aromatic coffee at once; Add cold water, click the button for 2 seconds to start the heating function and enjoy the coffee in about 34 minutes. 2. Powerful Battery This portable electric espresso Maker can be fully charged by included USB cable within 2 hours. Allows you to brew hot espresso with hot or cold water. Brew 200 cups with hot water, 45 cups with 50ml normal temperature water, and 3 cups with 80ml normal temperature water. 3. Upgraded Espresso Machine: Reasonably structured with a larger diameter, does not break the coffee crema and is convenient for cleaning. This camping espresso machine is equipped with a leakproof and insulated design, no leakage during use and no scald after heating, and reliable. 4. 2in1 BREWER ONEBUTTON CLICK Compatible with both Ground Coffee Capsule, the camping coffee maker has been tested with hundreds of designs to ensure ease of use. With just ONEBUTTON CLICK, you can enjoy perfect espresso in just 45 minutes.