Optical sensor with resolution 800DPI
Key life over 3,000,000 times
Scroll wheel with page up and down
Zoom in and zoom out functions
Accurate definition and sensitive operation
Comfortable hand touch
Compatible: Microsoft Windows 95/98/SE/NT/XP/2000
Size: 94 x 68 x 31mm
Interface USB
Ergonomic and comfortable design with good handle
Advanced optical technology and excellent optical tracing engine ensure cursor precisely location