Listen to the Microphone
Step 1Right-click the speaker icon in the Windows 7 Notification Area and select “Recording Devices.” (If the speaker icon isn’t visible, click the small arrow to the left of the Notification Area.)
Step 2In the Sound window on the Recording tab, find your microphone in the list of recording devices and double-click it. The default microphone is indicated by a check mark in a green circle.
Step 3Select the “Listen” tab and check “Listen to this device.”
Step 4Click the “Playback through this device” drop-down menu and select “Speakers…” or “Default Playback Device.”