XBox 360 PC Wireless Gaming Receiver - Black. IN STOCK.

 Generic product. Firmware can also be downloaded from http://drivers.softpedia.com/get/KEYBOARD-and-MOUSE/MICROSOFT/Microsoft-Xbox-360-Wireless-Gaming-Receiver-Driver-10-WHQL.shtml

For Xbox360 PC Wireless Gaming Receiver:
Works with current and future xbox360 wireless accessories.
Uses intgrated 2.4GHZ high-performance wireless technology that lets you operate a wireless device from up to 30 feet away.
Let you use up to four wireless controllers and four wireless headsets together with one wireless gaming receiver.
Connects to a powered USB 2.0 port on a computer.
A six-foot USB cable includes.

In Windows 7, this is the process to installing the gaming receiver:
http://www.microsoft.com/uk/hardware/download/download.aspx?category=Gaming
First, download the latest driver from Microsoft 
Go to Control Panel>Hardware and Sound>Devices and Printers
Right click on "unspecified Device"
Click on "Properties"
Click on the "Hardware" tab
Click on "Update Driver"
Click on "Browse my computer for driver software"
Click on "Let me pick from a list..."
Select the Microsoft Controller.
Then select the Xbox 360 Wireless receiver for Windows Version 2.1.0.1349 [4/8/2009])

No retail packaging.