Poll On Audio Experience and Talkback

We are looking to find out some general information around TalkBack Users, their preferences and how they feel about audio on Android.

Please explain the reasons and situations as to Why and When you use headphones or earbuds with Talkback?
When you press the volume buttons a widget opens up showing the volume bars including the currently being adjusted volume bar. Do you like the way this is being presented and how it operates?