Thanko USB Beverage Cooler and Warmer

Plug this handy USB Beverage Cooler and Warmer from Thanko into your computer USB port and keep any beverage warm or cool. Simply flip the switch on the back of the USB Beverage Cup Cooler and Warmer to alternate between heating and cooling. In air conditioned rooms the device will not be very effective. Keep your favorite beverage warm or cold all the time with this Thanko USB Beverage Cup Cooler and Warmer! There is nothing less refreshing than a warm cup of tea or a cold cola.