Description Are you still looking for a professional and affordable cup warmer? Our professional cup warmers have to meet your needs. It is one of your best options. Our household mug warmer keep your mugs warm. It keeps the coffee warm and the cup warm. Features -Color:Black -Material:Aluminum Alloy -Size:10.20X10.20X0.50cm/4.01X4.01X0.20in -Input Voltage:5V/2A -Output Power:8-10W - USB charging, heating with use, safety protection, and reducing the probability of safety accidents. - Low power and low voltage, saves electricity and money, but is fully functional, allowing you to enjoy drinks at the perfect temperature in winter. - Perfect for hot coffee, tea, hot cocoa, milk or even a hot cup of soup. Suitable for a variety of materials. - The perfect housewarming gift for a friend to express your love and care. - The surface of this heating coaster is very easy to clean. Wipe the surface with a damp cloth. USB charging, heating with use, safety protection, and reducing the probability of safety accidents. Low power and low voltage, saves electricity and money, but is fully functional, allowing you to enjoy drinks at the perfect temperature in winter. Perfect for hot coffee, tea, hot cocoa, milk or even a hot cup of soup. Suitable for a variety of materials. The perfect housewarming gift for a friend to express your love and care. The surface of this heating coaster is very easy to clean. Wipe the surface with a damp cloth.