Zorvo Mini USB Fridge Cooler Beverage Drink Cans Cooler/Warmer Refrigerator Laptop PC Office Car Refrigerator Portable mini fridge, apply to all PC or other USB interface, no batteries or driver required, plug and play✔ Switch Control: "I" for heating, "II" for cooling, O for off✔ Volume: 7.6*3.5*3.5 inches, Powered by 4 feet USB cable, suitable for car office or home to keep beverage, coca-c..