We've got some major news for you: Fitbit just unveiled its best set of updates and new products yet. We know. We're freaking out, too. New models, new app updates, lots of gold and rose gold, and ...

How resistant the watch is to submersion in water, as tested by subjecting the device to a water pressure equivalent to the depth the manufacturer claims the fitness tracker can withstand. The Fitbit ...

Fitbit let me test its new models—the heart-rate-tracking Charge 2 and the ultra-slim swimproof Flex 2—with an intense interval workout on a scenic San Francisco rooftop last Thursday. And my legs are ...