Fitbit is updating two of its most popular fitness trackers. The new waterproof Flex 2 and heart rate-tracking Charge 2 are available now up for preorder and will officially go on sale in the ...
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 ...
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