With all your extra Usb Dongles lying around why not put theme in a stylish case.

This will show you how to make your own PS3 disc case USB Gadget

Step 1: Materials

You will need:

A Game case (Others may work I've Only used PS3)
A knife or scissors
Usb device(Bluetooth, Flash drive, mouse receiver, Ect.)
Duct Tape
Or
Hot Glue
USB Extender (Optional)

Step 2: Cut

Now open up the case and find a place to put it. You probably will have to cut CAREFULLY to fit theme in. you may also have to take the usb out of the case.