Description: 【Usage】: USB Coffee warmer with mug set with Waterproof glass panel for desk designed to keep your drinks at the perfect temperature, this mat is ideal for warming milk, coffee, tea, and more. Three Level Temperature Adjustment: Our smart constant temperature heating cup mat has a three level temperature adjustment function, allowing you to freely choose temperatures of 50 degrees, 55 degrees, or 60 degrees to meet your different insulation needs 【Automatic Power off Protection】: The heating cup mat adopts advanced automatic power off protection to ensure your during use, no need to worry about power issues 【Widely Used】:  Electric beverage warmer plate for coffee,tea,water and milk, is designed with an even heating surface, Suitable for most cups.  【Perfect Gifts】:Coffee beverage warmer and mug set is a best birthday or other special occasions gift for coffee lovers and families. Size Chart: Pad: 150mmx115mm/5.91inx4.53in; cup: 108mmx87mm/4.25inx3.43in Package Includes: 1 Cofffee Warmer and Cup Set   Note: Please allow 1-3mm measuring deviation due to manual measurement. Due to the different monitor and light effect,the actual color of the item might be slightly different from the color showed on the pictures.