【2-in-1 Temperature Button】You can get a custom temperature by touching our electric cup heater 2-in-1 "high-sensitivity touch button", which can heat coffee/beverages to 104℉, 131℉ and 149℉. 【Auto-off】Our cup heater has a "off" function, which will count down from your last button press after 6 hours of continuous work. Note: Long press the "touch button" for 2 seconds to turn off. 【Waterproof Design】Our coffee cup heater integrates a 20W low-power heating body made of waterproof tempered material, even if water is accidentally splashed on the heating plate, there will be no safety hazards, safe and reliable. 【Heating Plate】This mug heater uses nickel heating wire applied to the heating plate, which has a higher thermal efficiency than ordinary heating wires and can evenly heat coffee, beverages, milk, tea. (Note: Please do not use the coffee cup heater as a heater or keep your coffee too hot.) 【Tumbler】Our electric beverage heater is designed for tumblers, allowing the bottom of your cup to be in full contact. Suitable for tableware: metal, ceramic, enamel, tile, high temperature plastic, glassware, etc. 【Best Gift Choice】Compact and stylish design, keeps drinks warm all day, especially in cold winter. An ideal gift for family, lover or friends on Christmas, Valentine's Day, Thanksgiving or other special occasions.