One of the main core values of Milo is that you don't need to press any buttons to talk. This makes Milo a handsfree / eyes-free device.

However, we know that sometimes you want that option. So, yes: you can use Milo in push-to-talk mode:

  1. Hold the big front Milo button while you talk, let go when you're done talking.
  2. After you let go, you're automatically muted.
  3. When you decide to go fully handsfree again, just click the Milo button once to unmute. 
It's as simple as that. And you don't need to coordinate this with anyone in the group - everyone is at choice about using Milo in PTT mode or handsfree mode.
Just remember to check if you're muted if you think your group is ignoring you!
NOTE: If you enable water clearing mode in Milo Link, PTT mode is disabled since both use the same button interaction.

Check out this video: How to enable and use PTT