How do I transfer a voice memo to my Apple Mac book pro from my apple iPhone and then onto a USB

Hi,

Following steps sync iPhone Voice Memos to Mac.

1. On your iPhone: Open Settings app → tap on your name card → iCloud → and turn on the toggle for Voice Memos.
2. On your Mac: Click on the Apple logo from top left → System Preferences. ... 
3. Now, all your voice recordings from iPhone and Mac will sync.

Method2:

1. Launch your Voice Memos app.
2. Select the memo you want to transfer > Tap on the More (three-dot icon) button > Tap on the Share button.
3. Then, you can either choose to send the memos via Email (PC & Mac) or AirDrop (Mac).

Macbookpro2222 wrote:

How do I transfer a voice memo to my Apple Mac book pro from my apple iPhone and then onto a USB

Share a recording in Voice Memos on iPhone - Apple Support