Optical Marble� technology means no need to move the mouse around your desktop, just roll the ball as you would a trackball device
Optical tracking for smooth operation � no mechanism to get dirty
USB or PS/2 connection (adaptor supplied)
MouseWare software to make working easier and faster
For left or right hand usage
Min. Sys. Req.: Win 95/98/ME/2000/XP/Vista/NT4.0/7 or Mac OS8.6 (or later), CD-ROM drive
Contents: Mouse, software, adaptor and user guide
