Type text by speaking
You can use voice input to type text by speaking. This feature
uses Google's speech-recognition service, so your tablet must be
connected to a Wi-Fi network to use it.
Text that you enter by speaking is underlined. You can continue
entering text to keep it, or delete it.
You can speak to enter text in most places that you can enter text
with the onscreen keyboard.
Touch a text field, or a location in text you've already entered
in a text field.
Microphone key on the onscreen keyboard.
Nexus 7 Guidebook
To change your tablet's keyboard and input meth-
ods, go to Settings > Personal > Language & input.
eNTeR ANd ediT TexT