Question by Marissa: How long will the battery last on a Kindle Book if it is set to read out loud to its owner?
I hear the Kindle will actually read outloud – how loud is the speaker and how would that affect the life of the battery?
Best answer:
Answer by Max L
You can adjust the volume of the speaker, and it is quite loud. There is a demonstration of this read out aloud function in the video at the bottom of this page:
http://www.speedreaderxreview.com/kindle-2-0-vs-sony-reader-prs-700bc-comparison
Hope it helps 
What do you think? Answer below!
Here is a review about this read out aloud function:
http://www.amazon.com/gp/redirect.html?ie=UTF8&location=http%3A%2F%2Fwww.amazon.com%2Freview%2FRJ6MA1FJ0G0HS%3Fie%3DUTF8%26ref_%3Dcm%255Fcr%255Frdp%255Fperm&tag=more_info-20&linkCode=ur2&camp=1789&creative=390957
Hope this helps.