I have one of those; as far as I could tell they're crappy non-compliant Chinese knockoffs of real ELM327 chips. I wasn't able to get much of anything good or interesting out of it and had to get a Beaglebone with CAN bus cape to get any farther (other problems with that but that's separate).
Hotz confirms if you read the comments on the article.
Hotz confirms if you read the comments on the article.