Beverage Warmer: The intelligent heating warmer plate allows you to maintain a constant temperature (131°F / 55°C) throughout the day. You can now enjoy hot coffee, tea, cocoa, milk, drink, etc. at any time in winter. Automatic Shut Off: The mug warmer has auto on/off, it automatically activates when you place your mug on it and shuts off when the mug is removed, the heating process takes 10-20 minutes, so please be patient to enjoy your hot beverage. Coffee Warmer Plate: The top adopts a stylish and smooth glass layer, which is waterproof and easy to clean, and ensures that you do not worry about safety issues. It has ultra-low power consumption and saves energy. Constant temperature coaster let you enjoy your hot coffee at any time. Our electric cup can reduce the cooling speed of hot drinks, which is maintained throughout the day. Easy to Use: Simply plug the cord, tap the switch and put your mug on. It has auto on/off, it automatically activates when you place your mug on it. Tips：The function of our coffee mug warmer is to keep the temperature of the originally warm water at about 55°C instead of heating the cold water. The coffee mug warmer for desk built-in gravity induction switch, no need to turn it on/off manually, put the cup on heater coaster, the coffee cup warmer plate will work, pick up the cup that coffee heater will auto turn off.