Kodak iMOUSE Q40 iMouse Q40 Wireless Ambidextrous Trackball Mouse

• Ergonomic, ambidextrous contour trackball mouse design;• Built-in 1.5 in. large trackball with optical sensor;• Removable trackball allows for easy cleaning;• 7 buttons--forward, backward, left, right, scroll wheel, and DPI up/down;• 400 to 4800 DPI range;• 2.4 GHz wireless USB nano receiver with up to 30 ft. range;• Power on/off switch;• 10-million-click life cycle, durable microswitch;• Includes USB receiver, 2 AAA batteries, and quick-start guide;