The newest member of the Fitbit Aria product range, the Fitbit Aria Air is a low-cost Bluetooth scale that tracks weight and syncs with the Fitbit app to calculate BMI, giving you a comprehensive view of your trends over time alongside your activity, heart rate, sleep, and nutrition data within the Fitbit app. When combined with Fitbit’s innovative wearable devices and new Fitbit Premium subscription service, Aria Air gives you access to added data, information, and motivation to more effectively reach your health and wellness goals.