Smart Coffee Mug Warmer: Our electric tea mug warmer has 3 temperature settings: 45, 55 and 65. With clear temperature display screen, you can control the temperature of your drink precisely so that you are comfortable from stomach to body and mind.USB power supply: The The electric coffee mug warmer adopted with energy-saving low consumption design and powered by USB. Low power with automatic shut-off function make it safer, office, dormitory can be used with confidence.Easy to Use: This coffee mug warmer adopted with touch button control, which allows you to quickly select the temperature you need with just one touch. With compact design and lightweight, easy to carry and storage.Various Mugs: Our USB mug warmer with stainlsteel panel can heat even and fast. It can suit for mugs of different sizes and materials, such as ceramic mugs, glass, stainlsteel cups, milk bottles, plastic cups, cans, etc.Great Gift Choice: Using the coffee heating coaster to keep your tea/ coffee/ milk/ cocoa warmer in the cold weather is great for your health. Our smart cup warmer is a perfect gift for your families, lover or friends on Thanksgiving, Christmas, birthday, new year, Mother's Day, or any other special occasions.