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Bought it as a little something extra to throw into someone's Christmas stocking.
Sadly, when warming ceramic mugs (like the vast majority used), they don't conduct heat... Read more
This gets hotter than I expected considering it only runs off the USB. You do need a flat bottomed cup/mug to get any real benefit from it though. Read morePublished on 3 Jan 2010 by M. Jones
In all honesty I have not yet had time to try out the cup warming ability of this product, but I have been instantly disappointed by the incredibly misleading picture that is... Read morePublished on 12 May 2007 by J. Close