Allnice&reg; Heat and cold Dual-use Portable Mini USB PC Refrigerator Fridge Cooler and Warmer Beverage Drink Cans Freezer Cool Gadget for Home - Plug and Play This cool USB gadget combining with both chilling and warming technology, you can keep your beverage chilled or warmed and stay at your computer for longer time. USB refrigerator with closed door design, can make you drink ice long enough at the computer, but also easy to carry, as long as the USB plug can be used everywhere. Just seconds after plugging in the fridge the cold plate chills to the perfect temperature for helping keep your beverage cool. Easy installation, no driver required, plug & play. Compatible with all platforms. This machine adopts the semiconductor refrigeration heating advanced electronic technology. It has the advantages of no pollution, no noise, energy saving, easy operation, less power consumption, long service life and other advantages to add more color to your life.