Unless you're training for your next marathon or your doctor has very specific concerns about your health, you're going to take some convincing about whether or not the Withings BodyScan 2 is for you.
At $599 / £495, it's an expensive contender for our list of the best smart scales. But if you're prepared to invest in it, the BodyScan 2 can become an at-home laboratory for monitoring almost every aspect of your day-to-day health and fitness.