Fitbit Aria Air Only $39.95 At Amazon
The Fitbit Aria Air is a wearable device that measures weight and calculates your BMI based on the height you entered when you created your Fitbit account. This data syncs instantly with the Fitbit app, so you can track changes over time and see how close you are to your goal weight. The Aria Air is also easy to see how lifestyle changes, such as increased exercise or improved sleep habits, have affected your weight....