1.Unique design to cool can-shaped soft drink,coffee,tea,juice or beer…etc.,or even a glass of water that can be put into the container. 2.The temperature of soft drink will be further decreased in the following hour. 3.Works with AC power adapter for in-door or use in office. 4.LED indicator to indicate cooling or warming. 5.Optional: DC power cord for in car use or AC power adapter for home use.