The USB cup warmer is an excellent solution for keeping your drinks warm at your desk. This heating pad is easy to use, simply insert it into a USB port, place your ceramic cup on the pad, and your beverage will stay warm. Nice for coffee, tea, or milk, making it a versatile and convenient desk accessory. 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 -Rapid heating: efficiently heats your milk or coffee to the nice temperature, ensuring you can enjoy your hot beverages without waiting -Usb compatibility: this coffee warmer can be powered by any usb port, making it a versatile and convenient accessory for your desk -Adaptable functionality: suitable for various ceramic cups, this warmer is practical and easy to use -Modern design: the sleek and stylish design enhances your desktop decor, adding a touch of elegance to your space -Versatile applications: nice for use at home, in the office, or while traveling, ensuring you always have a warm drink at hand Package list: 8 warmers