Fitbit's Flex 2 comes with wristband accessories, or pendant or bracelet options that look more like jewelry. Credit: fitbit The Flex 2 is also more customizable than the previous version.

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 ...