Smart Heating Coaster for Coffee, Tea, and Other Drinks Keep your drinks at a constant temperature with this smart heating coaster. It's compact and portable, making it perfect for home or office use. Plus, it's easy to use and features a pressure switch that automatically turns off the coaster when the cup is removed. Features: Keeps drinks at a constant temperature Compact and portable design Easy to use with a touch of a button Pressure switch automatically turns off the coaster when the cup is removed Safe to use with a variety of cup materials Order your smart heating coaster today and enjoy warm drinks all year long!