Hello!For sale is a tested and working flawlessly Microsoft Wireless Entertainment Keyboard 8000 Model 1071 with its connectivity dongle/usb stick. It is clean and has no issues or rust or corrosion on any of the parts. There is a small stain on the bottom front of the keyboard (please see picture 6). The keyboard uses 4 AA batteries, but will ship with NO batteries included.Please let me know if you have any questions or would like to see more photos. Thanks for looking!