Enjoy the convenience of hot water anywhere with this portable kettle. Whether you are on a trip, in the car, train, hiking and more this electric boiler heats up water in minutes. This heating cup provides the benefits of 3 devices in one: kettle, vacuum cup, and a water cup. No other device is needed. With this heater, you can boil water, keep your drink warm, and have healthy water , tea or coffee anytime.