See 'WikiDevi' @ the Internet Archive (MW XML, Files, Images)
upgraded MW to 1.30 - maybe things are slightly less broken
"MADE IN CHINA", "MS-3871", and "VER:0A" is silkscreened on the board on the FCC photos.
There is a csr Bluetooth chip on-board.
- The USB ID of the Bluetooth controller is 0db0:a871.
- A 00:08:CA BT MAC OUI is used by at least some devices.