The coffee heater is controlled by one button on the desk, with three-level temperature regulation, constant temperature and heat preservation, large screen display and mute. You can easily control the temperature by clicking the touch button to keep the liquid at 131 F, 149 F or 167 F (55 C, 65 C or 75 C). The concave tray design for coffee cup heating is safer: the diameter of the bottom coaster is less than 3 inches, which can prevent the cup from sliding and turning accidentally. Suitable for most cups, such as metal, glass, milk paper, pop top cans, porcelain and baby bottles. Intelligent preheating and shutdown of candle heater: It is safer to automatically shut down after 8 hours without worrying about forgetting to shut down. Both temperature and safety are required. USB interface of cup warmer, safe power supply: please use 5V=2A charging port to charge the product, 5V voltage can reach 220 voltage, and the temperature is the same. Smart coaster: The desktop thermos can be heated evenly, with fast heating speed, and the thin walled flat bottomed cup is faster, and it can even be directly used as a food heater. Small and delicate, energy saving and low consumption. Product size: 130 * 117 * 23mm