Garmin has long been associated with GPS navigation, but most people aren't buying standalone GPS units anymore. The company has, however, been branching out to other product categories like wearables. Garmin's Vivofit fitness trackers have been reasonably popular, and there's a new version available today. The Vivofit 4 launches at $79.99. It's a bit more expensive, but the screen is color and it still gets a year of battery life.

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