Control 2 Computers PC 2-Port USB 2.0 MONITOR VIDEO VGA KVM Switch Switchbox Control 2 Computers PC This 2-port manual kvm switch is the most economical solution for controlling 2 PCthis powerful tool is perfect for desktop placement and won't take up critical workspace. key-press switch. Special design for high speed data sharing interface,standard USB 2.0. plug and Paly. No external power required.