Record a voice memo on your Mac
With Voice Memos, use your Mac as a recording device. To record voice memos on Mac, use the built-in microphone, a supported headset, or an external mic. You can listen to your voice memos on any device where you’re signed in using the same Apple ID and Voice Memos is turned on in iCloud preferences. See Set up iCloud.
In the Voice Memos app
on your Mac, click the Record button 
(or use the Touch Bar).To pause, click the Pause button
. To continue, click Resume.When you finish, click Done in the lower-right corner.
Your recording is saved with the name of your location (if “Location-based naming” is selected in preferences) or with the name “New Recording.”
After a recording is saved, you can select it to play or make edits, such as renaming or trimming.