The Fitbit Flex 2 still stands as of November, 2018 as one of the best Fitness trackers on the market. Fitbit offer the Fitness trackers for as low as $100. Don't miss out on your Flex 2, buy it now before it sells out.
That's not it though, Fitbit also offer Charge 3, Versa, Alta HR, Ionic, Alta, at fantastic prices. Compare them here.