USB Mug Warmer Coaster

USB mug warmer coaster is suitable for most milk bottles, mugs, coffee cups and milk cups in homes and offices. The surface temperature of the aluminum plate can reach about 90 degrees at room temperature, and the beverage and liquid in the cup can reach a constant temperature of about 55 degrees. USB plug, more convenient power supply, power cord about 35 inches, improve desktop mobility, it is recommended to use a USB power adapter with output voltage (5V 2A) for best results. This is a great. 3 8/9" L x 3 8/9" W x 3/5" H