What is this cable? (DVI/VGA/USB)

I can't seem to find any information about this cable which can be seen all over eBay. Apparently it looks like a VGA to DVI cable, but I don't get why there also is a USB cable connected to it. Can someone please explain what they are for?

Here are some links of it:
http://www.dhgate.com/product/30-5-pin-dvi-m-to-m-15-pin-vga-usb-cable/234549781.html

http://www.ebay.com/itm/6Ft-30-5-Pin-DVI-D-to-VGA-DB15-pin-USB-A-male-LCD-Monitor-Cord-Cable-1-8m-/371032628756?hash=item5663449e14:g:Z88AAOxyjxlTNBwG

The main reason I'm interested is because I have been searching for some USB to DVI cables to connect to a USB hub for a 3 monitor setup. Are those cables meant to be used as USB to DVI?

All help is greatly appreciated!

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