I got this cool mini coke fridge off ebay last year for about $30 or so. It fits one can. I love it. It plugs in via a USB port on your laptop to power it. It’s got a tiny blue light inside also.  It works best to maintain the temperature of a can, rather than bringing it down from room-temperatre. I’ve seen other Coke can coolers I’d like to have. There’s one that keeps 12 cans cold and fits nicely on your table. I’ll see if I can find a picture of it to show you what I mean. You know what I really need? Some stickers on this mini-fridge to say “Coca-Cola”. Maybe I’ll try to make some