MEDIATECH MT1075K-PS2 Media-Tech OPTICAL 80036441 Product Description: Media-Tech MT1075K-PS2 - mouse - PS/2 Device Type: Mouse Connectivity Technology: Wired - PS/2 Movement Detection Technology: Optical Buttons Qty: 3 Movement Resolution: 800 cpi Features: Scrolling wheel, right and left-handed Cables Included: 1 x mouse cable - integrated OS Required: Microsoft Windows XP, Microsoft Windows Vista (32/64 bits), Microsoft Windows 7 (32/64 bits) Manufacturer Warranty: 2-year warranty