Axis GM-344 Optical USB Mouse Scroll Wheel Allows For Easy Internet Surfing, Scrolling Of Documents Or Zooming Full-size Mouse For Desktop Use Designed For Right- Or Left-handed Users Sub Connection With Ps/2 Adapter Scroll Wheel Allows for Easy Internet Surfing, Scrolling of Documents or Zooming Full-Size Mouse for Desktop Use Designed for Right- or Left-Handed Users USB Connection with PS/2 Adapter Includes Mouse Driver Software