How To Narrate List Using Speaking List for macOS

Speaking List for macOS App Store Link
Use Speaking List to speak text back to you with an optional delay between list items. Useful when you need to turn away from the computer, but can still listen to spoken text reading things back to you. Can be used to translate data from one app to another via manual typing of content once text has spoken. Delay ensures adequate time for manual translation.

How To Narrate Using Speaking List for macOS Screenshot 2

Type text into left side.
Choose Split Type in toolbar. Recommend selecting "Both".
Adjust Font Size.
Select Speaking Delay value. Recommend "2".
Verify right-side listview shows data to speak.
Make sure computer volume is at a reasonable level.
Click "Speak" button or double-click right-side list item.