Turn on your smartphone's Bluetooth and launch the app Once you have the app downloaded to your smartphone and the Fitbit ...

What you're getting here is Fitbit's expertise on the cheap, as the Flex can now be had for as little as £40/$60. Is it worth it? Let's find out... The display on the Flex is minimalist to say ...

The Fitbit Flex is one of the most compact fitness trackers offered by Fitbit. The actual tracker itself is only about an inch long, and weighs next to nothing, even when inserted into its band ...