Headless portable PCs packing everything except a display are growing in popularity among enthusiasts who don’t want to settle for a laptop they can’t easily upgrade — and now Chinese manufacturer Linglong is taking things further with this folding keyboard PC.

Tom’s Hardware points to a presentation posted by the company showing the tiny PC that’s reminiscent of the folding wireless keyboards that were popular with PDAs like the PalmPilot. But this one’s quite a bit thicker, with…