WD009: USB Cooler and Warmer

This portable mini fridge applies to all PC or other USB interface, no batteries or driver required. It keeps your cold drink stay cool longer, and makes warm beverage keep warm longer at hand (Note: it is without Cooling or Heating function as the actual fridge). Suitable for car, office or home to keep beverage, coffee and other drinks. Great gifts for office workers, car owners, travelers, etc.