Kensington Orbit Optical Trackball Mouse, USB 2.0, Left/Right Hand Use, Black/Silver

If you're looking for a simple way to transition from a mouse to a trackball, trust the Orbit® Optical Trackball. It offers better ergonomics, with less wrist and hand movement to ease repetitive-stress injuries. Optical tracking technology delivers precise cursor control and the two-button design provides a familiar experience for mouse converts. Medium 40 mm ball is designed as a perfect sphere to provide exceptional precision. Compact footprint takes up less desk space than you’d need to operate a mouse. Ambidextrous design works equally well for both right-handed and left-handed users. Plug & Play installation via wired USB connection. KensingtonWorks™ software lets you customize the 2 buttons, adjust cursor speed. Manufacturer's limited five-year warranty.

• Optical tracking technology for superior cursor control and accuracy.
• Medium 40 mm ball is designed as a perfect sphere to provide exceptional precision.
• Compact footprint takes up less desk space than you'd need to operate a mouse.
• Ambidextrous design works equally well for both right-handed and left-handed users.
• Plug-and-play installation via wired USB connection.
• TrackballWorks™ software lets you customize the two buttons, adjust cursor speed.

• Connector/Port/Interface : PS2, USB
• Left/Right Hand Use : Left/Right
• Mouse Technology : Optical, Trackball
• Wired/Wireless : Wired
• Cable Length : 6 ft
• Color : Black/Silver
• Operating System Compatibility : Mac® OS 10.1.5 and later, Windows® 95, NT, 98, 2000, Me, XP, and 7
• Buttons : 2
• Size : 5"w x 5 1/2"d x 1 3/4"h
• UNSPSC Title : Computer mouse or trackballs