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.
Lenovo 06P4069. Device interface: USB, Movement detection technology: Optical, Movement resolution: 400 DPI. Width: 2.13 in, Depth: 4.5 in, Height: 1.25 in. Pointing device: USB Optical Wheel Mouse, Mouse dimensions (WxDxH): 54 x 114 x 32 mm