I've always been a fan of Dualshock 3s and wanted to use them on PC and different consoles, so I went on Ebay and bought several of them for like $20 each new. They look just like the real deal said Sony etc... but I was trying to use them with bluetooth on PC and figured out they're knockoffs.
But other than not having quite as good of battery life, they're still great. I have no complaints about them I use them on all my PC games, Wii U with mayflash adapter, Switch with mayflash adapter and PS4 with mayflash adapter. I might buy a few more.