- 2 buttons
- for System x3105; x32XX M2; x34XX; x3550 M2; x35XX; x3650 M2; x3755; x3950; x3950 E; x3950 M2
Enjoy the precision and accuracy of optical technology. This mouse eliminates the mechanical ball and need for a mousepad, while the integrated wheel lets you scroll through documents and Web pages at the touch of a finger. Full-size shape fits comfortably in either hand. Scroll wheel also acts as programmable third mouse button.