1.Hot keys and hot click area are available, more convenient than the single solution of a mouse's drag-and-drop through two PCs' monitors. 2.Hot keys and hot click area are also available for cutting and pasting text from one computer to another. It is the superior choice for office applications where multiple computers need to be controlled by a single user and desk space is limited, convenient for the businessmen who needed to transfer files between their desktop and traveling laptop systems, perfect for PC repair or environments. 3.Keyboard and mouse sharing via a single for Nsendato USB cable, clipboard sharing and file transferring between two USB 2.0 connected computers. 4.The USB smart KM link is designed to simultaneously control and monitor two computer systems by using a keyboard and mouse set through a single USB cable, clipboard sharing and file transferring between the connected systems. Driver- and no additional software installation, plug-and-play, LED lights indicates working status.