Part Number: 910-000810
System Requirements:

Windows-based computer
Windows(R) XP, Windows Vista(R), or Windows(R) 7
USB port or PS/2 port
USB port
CD-ROM drive or Internet connection

Mac(R) computer
Mac OS(R) X 10.4 or later
USB port
CD-ROM drive or Internet connection

Logitech Cordless TrackMan Optical
Logitech Software CD for PC and Mac
Wireless receiver
USB to PS/2 adapter
2 AA batteries
Quick-start guide