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Garmin Enduro 4 Upgrade Guide: Enduro, Enduro 2 or Enduro 3?
The Garmin Enduro 4 is a clear upgrade for original Enduro owners, but gives Enduro 2 and Enduro 3 owners too little reason to change. The article compares features and battery life by generation.
This site provides a summary. Read the source original for the full article.