To turn it on, you must click the speaker icon in your setting. You must first select a lesson to access these settings.
Students can choose the language and voice of the narration. Depending on the browser, some languages are available in multiple voices.
When turned on, the voice-over will read words and spell them letter by letter.
When turned on, the voice-over will read words, spell them letter by letter, and give you verbal instructions on where the next key is located and which finger should be used to type it.
Other options you can customize are volume, speech rate, and pitch of the voice-over.