Original Microsoft 1.0 - OPTICAL TRACKBALL, usb & ps/2 - nice

For Sale- Tested and working original optical trackball in mint or near mint shape.

Works 100%, nice and clean, no issues.  Tested on a PC running Windows XP and it was automatically detected and installed in about 5 seconds.  I believe this works with Macs as well.   Included is a USB to ps/2 adapter.

Email your zip code for ship cost - should be between $4.99 and $6.99 if you are in the continental US (listed June 2013).