This right handed vertical ergonomic mouse allows your right hand, arm and shoulder to be placed in a more natural position. The vertical design and button placement provide better support and reduce muscle strain in the forearm and wrist. Providing better ergonomic support which makes long hours of computer work more comfortable. Attain higher precision with your choice of adjustable DPI levels. Simply switch between 3 different DPI levels, ranging from DPI 800, 1200 to 1600. Connect this ergonomic mouse plug & play by the supplied USB connector which is mounted on the 1,2 meter long cable connected to the mouse.