How to turn on hands free on iPhone?

Hello ScruffyVG,

Welcome to Apple Support Communities!

If we understand your post correctly, you want to know how to turn on hands free on your iPhone. We'er happy to help!

Go to Settings and select Accessibility.

Select Voice Control, then select Set up Voice Control. A download will begin in the background. 

When the download is complete, a microphone  will appear in the status bar of your device that indicates that Voice Control is listening or not listening.

More information about Voice Control can be found here: Use Voice Control on your iPhone, iPad, or iPod touch

Let us know if you have any questions.

Thank you for using Apple Support Communities.

Take care!