call me freaky but could that work as an USB Multiplexer?

Printer Sharing Switches.
Used for sharing an USB printer or scanner to multiple PCs:

* You can press button to switch
* or software switching (Installed driver)

I think there could be some without this switching stuff which set up a constant signal to the PCs


DESCRIPTION

* 100% Brand New
* Dimension : 10cm X 5cm X 1.9cm
* USB Sharing Switch - Share your Printer/Scanner/Hub/More USB peripheral
* Easy to use
* User friendly interface
* Cost-effective solution and user smart choice
* Support USB 2.0 and backward to USB 1.1 too.
* USB devices Hot pluggable
* Bus Powered - No external power supply needed.
* Plug-n-play: No driver needed.

Sharing Switch

* You can press button to switch
* or software switching (Installed driver)

Interface:

* 4x USB Type B which connect to 4 computers
* 1x USB Type A which connect to USB device
* LED Indicator

You can sharing the following:

* Sharing USB Printer
* Sharing USB Webcam
* Sharing USB HUB
* Sharing USB Modem
* Sharing USB Scanner
* Sharing portable HDD Drive
* Sharing other compatible USB device too.