... 3 buttons2. Resolution: 800 dpi 3. Tracking Method: Optical4. USB Interface, No need of sole diver5. Autimatically sleep and wake-up ... , color and OEM logo10. Compatible with Windows 7, Vista, XP, 2000, NT, ME or MAC etc.Optical Mouse Specifications: ... 000 ApplicationDesktop / Laptop Hand OrientationBoth HandsCompatible SystemWindows 7, Vista, XP, 2000, NT, ME or MAC etc.Working Currency100mA Working ...