This item is a small and practical cup warmer, made of . With simple appearance, this item is a perfect accessory for you to enjoy your hot drinks both and in office. The heated cup mat keeps your mug warm, can and enjoy your cup of coffee, tea and other hot beverages. Features - Color: Assorted Color. - Material: Plastic. - Size: 10.00X10.00X2.50cm/3.93X3.93X0.98in. - Design: indicator light - 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 - Keep your coffee hot all morning long with this coffee cup warmer. - Beautiful and compact design, which can keep the beverages warm all day. - The surface is smooth and the texture is good. with a wet towel, and it is as bright as new. - The excellent performance of our product will bring you a good experience. - It is also an intimate present for lovers, family, friends and colleagues. They will be very happy. Package list: 1 x Coaster