The ultimate in cutting-edge performance and sleek design, this High Definition Laser mouse and Comfort Curve keyboard set is perfect for any state-of-the art desktop environment.With proprietary Microsoft High Definition Laser Technology, this mouse responds quicker and offers more control. The mouse Magnifier tool lets you enlarge and edit any section of the screen, and the Tilt Wheel enables you to scroll horizontally as well as vertically. The comfortable keyboard with a Zoom Slider and My Favorites Keys makes accessing and viewing documents, spreadsheets and images more convenientent.