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-free and no additional software installation, plug-and-play, crystal clear LED lights indicates working status. 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, for PC repair or tech environments. Keyboard and mouse sharing via a single for Nsendato USB cable, clipboard sharing and file transferring between two USB 2.0 connected computers. 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. Hot swappable and pluggable, just plug it and go, no external CD driver or software needed, auto-run, quick access and easy installation. High speed USB 2.0 rates up to 480Mbps, offering the fastest and simplest way to transfer your files, time-efficient. Ultra small size, portable, space-efficient for two PCs' various clipboard formats sharing, such as WORD, PPT, JPG, etc., browse, copy, transfer files, folders between systems. Specification: Color: black+white Material: ABS Interface:USB 2.0 Transmission speed: 480Mbp/s(theoretical) Hot plug: Support Cable length: . 150cm / 59.1in : for Win98SE,ME,2000,XP,windows7 Package Contents: 2 x SMART KM LINK cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.