Perfect Gift--It makes the good choice for any holiday, birthday, Christmas, Thanksgiving, anniversary, Mothers Day, or other special occasions. Never sip cold coffee at work Sip at warm or hot coffee all day, no longer worried about being interrupted by busy work. Warm at home Keep the mug by your side constantly at the temperatures you like. Even if you have tasks to take care of around the house, you can still enjoy the mellow hot coffee. Built-In Gravity Induction Switch Just place your mug on it, it will automatically turn on, no need to turn it on/off manually. Adopt Waterproof Design The heating area was covered with a layer of thermal conductive glass without the need for security concern for the occasional spill and it is easy to clean. Warm Any Drink-You can use this Coffee Mug to keep any beverages warm. Including coffee, tea, hot cocoa, etc. Note: The warmer is designed to keep your heated drinks warm. If you want to heat a cold coffee, it will take a long time.