The Definitive Fitbit Buying Guide

Do you have your eye on the new Fitbit Charge? Or would you rather a Surge, Flex or Zip?You can now choose from a total of six different Fitbit activity tracking devices. As a longtime Fitbit user, I've tested all the available models, along with two trackers that were discontinued (Ultra and Force), as well as the company's Aria Wi-Fi-connected scale. If you're thinking about joining the sweaty ranks of Fitbit users, here's a guide to help choose the right device for you.Fitbit Zip
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