Optical Wheel Mouse
Meet the mouse from Logitech with the latest in optical sensor technology. Thanks to the 400 dpi sensor, it works with pinpoint cursor accuracy on virtually any surface. The Optical Wheel Mouse II supports both USB and PS/2 interfaces (PS/2 adapter included).
Fujitsu Optical Wheel Mouse. Movement detection technology: Optical, Device interface: USB+PS/2, Movement resolution: 400 DPI, Buttons quantity: 3. Mouse weight: 140 g. Colour of product: White