The USB cup warmer is nice for keeping your beverages warm at your desk. Whether you're working from bedroom or at the office, this heating pad makes sure your milk, coffee, or tea stays at the nice temperature. Simply insert into a USB port, place your ceramic cup on the pad, and enjoy a warm drink throughout the day. Features -Rated voltage: 220V -Rated frequency: 50Hz -Rated power: 16W -Constant temperature: 55 degree centigrade -Color:Assorted Color -Material:ABS, stainless steel -Size:14.00X12.50X1.00cm/5.50X4.91X0.39in -High efficiency heating: quickly warms your milk or coffee to the nice temperature, ensuring you enjoy your hot beverages without any delay -Usb powered convenience: easily connects to any usb port, making it an warmer for your desk, whether at home or in the office -Versatile use: compatible with various ceramic cups, this warmer is practical and convenient for everyday use -Stylish design: its minimalist and fashionable appearance not only serves as a functional device but also enhances your desktop decor -Wide application: nice for home, office, or travel, allowing you to drinks anytime, anywhere Package list: 6 warmers