Shown in the admin page's device list so you can tell your browsers apart.
How often the background alarm checks the cloud (1–60 minutes). Local edits always sync within seconds regardless.
This browser and the cloud both already contain bookmarks. Choose how to combine them — this happens once.
Merge deduplicates by URL and title within each folder. “Keep this browser’s” moves the current cloud bookmarks to the cloud trash first; “keep the cloud’s” replaces this browser’s bookmarks.