Zonet KVM3324 Blue KVM switch

KVM3324 - 4 port The Zonet KVM3324 – 4-Port USB KVM Switch w/Audio that controls 4 computers from a single Keyboard, Monitor and Mouse. KVM3324 audio capability lets you share a single microphone and speakers regardless of which computer you connect to. You only need to plug the included All-In-One KVM Cable into your computers and you've got a complete KVM solution from Zonet. The KVM3324 is the simplest way to simultaneously run and share audio between computers.