Product DescriptionElectric Thermal Mug, Temperature Control Smart Coaster The thermal mug is designed to keep your beverages at the ideal temperature (131/55~167/75). A coffee warmer is a great accessory for coffee, tea, hot cocoa, candle wax, and more. Features: Color: Green, White Material: ABS Features: Temperature Control Details: The target temperature is displayed on the big screen; you can choose 3 different temperatures for your coffee, tea or milk with this smart temperature control coaster. This smart coffee warmer features a non-slip edge; therefore, please note that this heated coaster is only suitable for cups with a base diameter of 76mm or less. This smart coaster is USB powered and works with cups of different sizes. It can also be used as a candle heating plate.Fast heating and temperature control - The cup warmer is designed to keep your beverages at a certain temperature (131/55~167/75). Coffee warmer is a great accessory for coffee, tea, hot cocoa, candle wax and more3 TEMPERATURE MODES AND LCD DISPLAY - The target temperature is displayed on the big screen; you can choose 3 different temperatures for your coffee, tea or milk with this smart thermostat coasterAUTO-OFF DESIGN - The heater will automatically turn off after 8 hours of idle time, keeping you safe while using this coffee warmer. You can also press a button to turn the heater on/off and switch temperature levelsELECTRIC WAX WARMER - This smart coaster is USB powered and fits cups of different sizes. It can also be used as a candle heating plateNote: Only suitable for cups with a base diameter of 76mm or less