Description Just place the teacup or coffee cup that needs to be heated on the coaster and then plug line head in to USB and it will start to work to the temperature you want. You can take your time and enjoy your cup of coffee, tea, hot cocoa and other hot beverages. Features - Color: Green - Material: Plastic - Size: 13.00X10.50X2.00cm/5.11X4.13X0.79inch - Rated Power: 16W - Rated Voltage: 220V - The surface of this mug warmer is very easy to clean. Use a damp wet cloth to wipe down the surface. - Light and elegant appearance, unique and delicate, which is convenient to store. - Suitable for most water cups, milk cups, coffee cups, long lasting warmth in the cold winter. - Heated plate keeps your mug warm, so you can take your time and enjoy your cup of coffee, tea, hot cocoa and other hot beverages. - The perfect housewarming gift for a friend to express your love and care. The surface of this mug warmer is very easy to clean. Use a damp wet cloth to wipe down the surface. Light and elegant appearance, unique and delicate, which is convenient to store. Suitable for most water cups, milk cups, coffee cups, long lasting warmth in the cold winter. Heated plate keeps your mug warm, so you can take your time and enjoy your cup of coffee, tea, hot cocoa and other hot beverages. Fast logistics: After payment, the goods will arrive in your hands in 3-5 working days.