☕【110V THERMOSTATIC HEALTH COASTERS】 Only the most appropriate temperature can release the best taste of your drink. Wemordu coffee mug heater is designed with low power consumption to keep your hot coffee, tea, hot cocoa, milk or even a hot mug of soup at the optimal drinking temperature (131F/55C), so you can feel the warmth all day long. Wemordu Mug Warmers for Coffee allow you to stop worrying about high electricity bills.☕【SMART GRAVITY SENSING】 Thanks to the micro gravity technology, this coffee warmer turns off/on automatically and comes with an indicator light. Put the mug on heat zone, the coffee cup warmer plate will work, remove it, the heating plate will auto turn off. Safe and energy saving.☕【WATERPROOF & SAFE & QUIET】 This coffee cup heater is made of waterproof tempered glass and ABS flame-retardant material. No need to worry about safety, no need to worry about occasional spills, and it's easy to clean. There is no noise during use and will not affect your work.☕【NOT PICKY ABOUT CUPS】 This drink warmer is suitable for most cups, such as stainless steel cup, mug, milk box, glass cup, ceramic cup, etc. For better results, we recommend using a flat bottom glass cup or stainless steel cup. Placing a lid over the mug will also help retain heat.☕【MULTI USE & GREAT GIFT】 Smart coffee warmer is also great at melting chocolate or cheese for homemade treats, and it can even function as a candle warmer to fill the room with pleasant scents. You can place it on your working desk or bedside table for your hot coffee, hot cocoa, tea or candle wax. Perfect gift for Thanksgiving/Christmas/Birthdays/Valentine's day, a must-have item for coffee lovers.