Here are the steps to pause CRM syncing:
1. Go to settings tab.
2. Scroll to the preferences section
3. Toggle "Pause CRM Sync"
"Pause CRM Sync" switch will not have any effect if the CRM connection has not been setup or removed.
Here is the image to show the setting
Use Case:
Typical use case is during conferences when you want to keep track of all the badges or cards scanned but do not want to flood your CRM with that data before manual review.