Coffee Mug Warmer 3 Temperature Setting Desk Mug Warmer Auto Shut Off Electric Beverage Tea Water Milk Warmer Thermostat Coaster. Feature: Premium Quality Material, Three Temperature Settings, Portable and Convenient, Gift, Versatile Tea Warmer. Specification: Origin Mainland China, Product Size 112.00x112.00x20.00mm/4.41x4.41x0.79inch, Material ABS+Electronic Components, Power supply USB plug-in, Rated Power 20W, Rated voltage/frequency 220V/50Hz, Product Size Diameter 11.2CM, Product color optional pink/green/white, Heating plate diameter 8CM, Temperature range three / 55 degrees / 65 degrees / 75 degrees, Single weight 138g