The Fitbit One still stands as of December, 2019 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 One, buy it now before it sells out.
That's not it though, Fitbit also offer Versa 2, Inspire HR, Charge 3, Versa, Alta HR, at fantastic prices. Compare them here.