A long, long time ago, like in 2012, a few tech companies thought it would be a good idea to add wireless connectivity to weight scales. Fitbit made one, called the Aria. (The company still makes this, though it hasn't updated the scale in a while). Then France-based Withings jumped on board, with the Withings WS-30, and later the Withings Smart Body Analyzer.
Now performance-device maker Polar is making one, called Polar Balance. Using Bluetooth LE, the scale wirelessly sends your weight and body mass index (BMI) data to the Polar Flow app or a Polar wrist-based device, like a Polar Loop, or a Polar M400, or a Polar V800. The Polar Flow app has something called the Weight Loss Speedometer, to show you how quickly you're losing, or...
via The Verge
