Enjoy coffee at the ideal temperature with the Cauldryn Coffee Battery Heated Travel Mug. Featuring a 16-ounce capacity, this vacuum-insulated gadget comes with a built-in heating element. In addition, The Cauldryn Coffee has an integrated LCD screen along with an adjustable temperature button. Likewise, you can set the temperature to the degree of your liking. You can even use your smartphone to control the coffee mug via the app. To use the Cauldryn Coffee, turn it on by pressing the button on the battery. Once the LCD screen comes on, use the up and down arrows to select your preferred temperature. Furthermore, you can toggle to the battery saving mode to extend battery life. The Cauldryn Coffee is ideal for keeping coffee hot, brewing tea or coffee or heating soup. You can also use it to boil and sterilize water.