The video conference microphone KT-M3EX is the same as KT-M3 just plus two phone.
It is a 360-degree Omni-directional high sensitivity microphone with USB output, plug&play.
And compatible with Skype, Windows Live Messenger (MSN), Yahoo Messenger, Google Talk, AOL, iChat, etc.
Industry-leading real full duplex, realize high quality audio teleconference by connecting to internet PC.
The quality of the built-in 360 high sensitivity microphone 16-foot radius you can move around and call freely, aural reception has no dead ends.