Comparison of Nike+ FuelBand, FitBit, Jawbone Up, and More
A Look at the Hugest Differences Between Popular Fitness Trackers
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The redesigned Jawbone UP2 ($100) is a slimmer, strappier version of the Jawbone family. The difference? This one doesn't track sleep or heart rate, like the UP3 and UP4 do. The battery lasts up to 10 days.