Microphone.devices
static var devices: string[];
Description

A list of available microphone devices, identified by name.

You can use the name with the Start and End functions to specify which microphone you wish to start/stop recording.
	// Get list of Microphone devices and print the names to the log
	function Start () {
		for (var device in Microphone.devices)
		{
			Debug.Log("Name: " + device);
		}
	}
See Also: Start, End, IsRecording.