The most popular are the Fitbit One and the Nike FuelBand, which are the two products this review focuses on. If you're comparing the full suite of products, Nike has more variety than Fitbit ...
For the past two weeks I've been testing out two wearable fitness-tracking devices, the Nike FuelBand SE, and the Fitbit Force. Nike 's FuelBand SE is a follow up to last year's FuelBand.
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