[chirp_users] OT-ish: USB-only programming cables for VX-7R

There are various programming cables for the Yaesu VX-7R on Ebay that consist of a USB plug on one end and a VX-7R mic plug on the other. I'd like to get one of those because the combination of three cables I'm using now is rather bulky. Does anyone here know for sure if those cables of which I speak present themselves as a USB-to-RS232 converter?