This Mug/Cup Warmer is the perfect solution for keeping your beverage warm and also working as a plugin charge center for your phone or other electronics with its 4 USB plug-in areas. Enjoy a hot cup of coffee, tea, or any beverage at any time, whether it's at home or work with this cup warmer. It's extremely easy to use, just plug it in and turn it on. This single-cup coffee warmer makes a great gift for any coffee/tea lover. It can also be used to heat soup or cocoa as well. This cup warmer has a smooth, shiny finish and is made out of durable plastic on the outside and has non-skid feet at the bottom to help support your mug and prevent spills.