You can relisten to a previously finished blink by following these steps:
1. Click on the 'Library' icon.
2. Click on the finished blink you would like to listen to again (you may need to adjust the filters to locate your finished blinks).
3. From the 'Final summary' page, swipe back through the previous blinks.
4. When you get back to the first page you can click on 'Play Blinks' to start the audio again.