I like how it's small and compact.
It's very easy to use.
You plug the coaster set the cup ontop so it can charge. 
It'll show red when charging and green when it's done charging. 
You take the cup off the coaster, press the power button at the bottom of the cup.
Press again to choose the temperature you want.
They give you 3 temp options.
Pour your drink in the cup and just sit back. 
What I love is that the cup works without the coaster.
It'll keep your drink nice and warm...even hot.