What are they? The all-new fitness trackers from Fitbit that land just in time for Christmas. The Charge 2 updates Fitbit's original model with new colours and interchangeable straps, while the Flex 2 is so fashion conscious it doesn't even look like a fitness tracker at all. In fact, if you don't want to advertise your love of fitness on your arm, it's perfect.
What do they do? A lot of new stuff. For starters, if you're having a spaz out at work, the Charge 2 now comes with short guided breathing sessions to help you work through it, as well as more watch face options. And while the Flex 2 won't actually tell you the time, it's a more discrete option that Fitbit lets you use as "a band, bangle or pendant". Perfect for hiding under a shirt if you don't like watches.
How do they work? Firstly, as fitness trackers. Both options will monitor your steps and track your sleep, with your stats sent seamlessly to your smartphone app. The Flex 2 won't measure your heart rate, but it comes with one very cool bonus - it's the first ever waterproof Fitbit. If you're a swimmer, that's a big plus. And thanks to its small removable interior, it's easy to change between those accessories - depending on which ones you own.
