Enjoy the ideal temperature anytime, anywhere:Whether you are at work or busy with household chores, our coffee cup warmer can ensure that your drinks remain at the just right temperature (131F, 149F, 176F). Coffee mug warmer can keep warmth and comfort with you all day long. Automatic power-off safety feature: The coffee mug warmer is equipped with a 4-hour automatic power-off function, and the time range can be customized, ranging from 2 hours to 12 hours. It is an ideal companion for long working hours, immersive reading marathons and other occasions. 5.19in heating plate suitable for most cups:The Coffee mug warmer can adapt to various cup shapes. Everyday used ceramic cups, glass cups, and portable stainless steel thermos flasks. Easy to clean and portable: The Coffee mug warmer, made of high-tech materials, features heat resistance and fire resistance. The waterproof design on the dial ensures fast heat conduction. It also makes cleaning easy. Just wipe it gently with a damp cloth. Its lightweight and portable design enables you to easily bring the coffee heater to your office, study place or anywhere you need it. The best gift choice: Whether given to family or close friends, this desktop Coffee mug warmer can convey warmth and care. It enables the recipient to enjoy a hot drink while always feeling your thoughtfulness. It is very suitable for giving as a gift on festivals.