Xbox 360 Wireless Headset Charging Dock

This is a dock for the original Xbox 360 wireless headset, NOT the Bluetooth one. It's designed so you simply need to push the male end of the charging plug up through the center and route the USB cable through the cutout on the back.

If you're looking for a dock for the Bluetooth 360 headset, you'll want this one:

http://www.thingiverse.com/thing:27849