I bought this about three years ago, and liked it so much that I bought another one the following year. I bought them to connect and make a large kotatsu, but one was warm enough, so the electrical part of this one is practically unused. I used them connected for about a month in the winter two years ago, but my lifestyle changed last year, and I didn't end up using them connected, so the winter ended without using it, and I've decided to sell it this time. It's not quite new, but I think it's in good condition overall. There are some scratches on the plug part of the power cord. I like that it warms up quickly and folds up compactly. Operation has been confirmed.