Microsoft Trackball Optical Mouse

The First Trackball with IntelliEye Optical Technology The Microsoft TrackBall Explorer sets a new standard in trackballs by combining an IntelliEye optical sensor and an advanced ball design. The IntelliEye optical sensor tracks the movement of the ball 1,500 times per second to give you unbelievably smooth, precise control..

Microsoft Trackball Optical MouseUSB interface allows easy connectivity with your ComputerFeatures optical resolution for silky smooth movementBuilt-in scrolling wheel for fast page navigation and better control over browsers' tabs