A great investment for the health conscious; the Fitbit Aria Air Bluetooth Smart Scale measures weight; BMI and other essential statistics in one versatile and user-friendly platform. - Use in tandem with the companion app (download required) to view statistics on your smartphone - Charts and graphs allow you to monitor your trends and track progress easily - Automatically recognises and syncs stats of up to 8 users - Polished glass surface gives it a neat and streamlined look What's in the box? - Aria Air Bluetooth Smart Scale - Black