What could be nicer than a cup of coffee or tea while computing? Unfortunately, these cups so often forget the tea or coffee cools. There is fortunately now a great solution, called the USB cup warmer! The USB Cup Warmer is a cup of hot plate is very easy via the USB port can connect to your computer or laptop. This cup hot plate is thus called, making the coffee and tea remain hot too. No further installation required. The cup hot plate is very wide, allowing several sizes to fit heads.