Digphone 4 Port USB VGA KVM Switch Box For Mouse Keyboard Monitor Sharing Computer PC 4 Port USB VGA KVM Switch Support Resolution Up To 1920x1440, Bandwith 500MHZ, Depends On Your VGA Cable and Your Monitor Support Operation System: DOS, Win3.X 95/98/98se/2000ME/XP/WIN7,WIN9,WIN10, WINNT, netware, Unix, Linux...