| 40mm ball is designed as a perfect sphere to provide exceptional precision |
| Ambidextrous design |
| Ambidextrous design works equally well for both right-handed and left-handed users |
| Compact footprint on the desk space |
| Compact footprint takes up less desk space than you'd need to operate a mouse |
| Compatible with Chrome OS, macOS and Windows systems |
| Compatible with Windows 7, Vista, XP and Mac OS X |
| Compatible with Windows? 8 |
| Connects to PC via USB or PS2 port (with included adapter) |
| Easy Plug & Play installation via USB |
| Fully ambidextrous for both left- and right-handed users |
| Medium 40mm ball is designed as a perfect sphere to provide exceptional precision |
| Optical 40mm trackball for better precision and performance |
| Optical trackball for better precision and performance |
| Optical tracking technology for superior cursor control and accuracy |
| PC and Mac compatible |
| PC and Mac? compatible |
| Plug & Play installation via a wired USB connection |
| Plug & Play installation via wired USB connection |
| Simple design makes it easy to switch from a mouse |
| System requirements: USB port. Compatible with Windows?7, Windows? XP, Windows Vista?, and Mac OS? X. TrackballWorksT software downloadable from www.kensington.com |
| System requirements: USB port. Compatible with Windows?7, Windows? XP, Windows Vista?, and Mac OS? X. Trackball Works™ software downloadable from www.kensington.com |
| Trackball Works™ software lets you customize the 2 buttons, adjust cursor speed |
| TrackballWorksT software lets you customize the 2 buttons, adjust cursor speed |
| Wired USB cable means no need for batteries |