You can use your microphone when recording screencasts using Free Screencast Recording for Gmail.

Here is how to that:

  1. Open Chrome and go to cloudHQ.net (https://www.cloudhq.net)

  2. Click on “Secure” dropdown menu:mail_com_-_Gmail” width=”473″ height=”706″ class=”alignnone size-full wp-image-4688″ />
  3. In the dropdown that appears, select “Allow” for microphone:
  4. Refresh your browser.