Lenovo ThinkPad USB Travel Mouse (31P7410 )

Key Features

• Small travel size, lightweight. Ambidextrous design for right- and left-handers
• 800 DPI optical sensor for precision control without dust-attracting mechanical ball
• 1.22-meter (4.0-foot) cable with a USB connector
• Attaches to PS/2 port via USB-to-PS/2 Connector Cable
• Programmable wheel for scrolling acts as a third button
• 1-year limited Warranty