The listing, Logitech QuickCam Messenger WebCam has ended.
Takes both video and still photos (640 x 480 resolution), has a built-in microphone, using a USB 1.1 interface.
It's compatible with Windows 98, 2000, Me, and XP. I don't have the driver disc, but you can download the drivers from Logitech here: http://www.logitech.com/en-roeu/480/3378
It also works with Mac OSX using the macam driver: http://webcam-osx.sourceforge.net/index.html
And, if you're interested in Linux, the lsusb information is:
Camera:
Product ID: 0x08f0
Vendor ID: 0x046d (Logitech Inc.)
Version: 1.00
Speed: Up to 12 Mb/sec
Location ID: 0x5d100000 / 2
Current Available (mA): 500