Use your voice for typing by choosing "Dictation" in the accessibility options. You can fill in any field on your chromebook using dictation.
Once you select "Dictation" in the accessibility options you will see a small microphone icon on your toolbar on the bottom right.
Click where you want to type, select the microphone icon, or press the search key + d to activate. Simply speak and your voice will be translated into text.
Click on link below to access a One Minute video on how to use Dictation