Are you still looking for a professional, yet affordable cup warmer? If yes, look no further Our professional cup warmer must meet your needs. It is one of the best choices for you. Our mug warmer keep your mug warm. And it can make the coffee heated, cup warmer. Features - Color: Assorted Color. - Material:Plastic. - Size:10.00X10.00X2.50cm/3.93X3.93X0.98in. - Mode: Maintain constant temperature and heat, and the surface heat temperature is between 75-80 degrees - Usage: Support computer USB socket and output power supply above 5V1.0A - Water temperature: The water level in the container is maintained at 40-45 degrees. The ambient temperature and container style will affect the water temperature - Note: It is not recommended to use uneven bottoms, vacuum flasks, blow-molded bottles and cups with thick bottoms, as they will affect the heat preservation effect - This drink cup warmer can be used for home, office, dorm, and conference room. - Small size, light weight, does not take up a lot of space, can be carried lightly. - Coffee mug warmer keeps a suitable temperature for coffee, milk, water and other beverages all day long. - Heat evenly and heat faster, allowing you to enjoy drinks at a suitable temperature at any time.