•ThinkPad Travel Mouse (31P7410):
•800 DPI optical sensor for precision control without dust-attracting mechanical ball
•Programmable wheel for scrolling acts as a third button
•Small size, lightweight
•Ambidextrous design for right- and left-handers
•Cable wrap to secure cable when traveling
•1.22-meter (4.0-foot) cable with a USB connector
Physical specifications:
◦Approximate weight: 72 g (0.2 lb)
◦Approximate height: 29 mm (1.1 in)
◦Approximate width: 52 mm (2.0 in)
◦Approximate depth: 88 mm (3.5 in)