25/07/2022
WhileWhile smart scales have been around for ages, body composition analysis is still a fairly new feature for wearables. Case in point, the Samsung Galaxy Watch 4 was the first smartwatch to natively include the feature. Amazon’s Halo Band was the first fitness tracker with the feature. Both of these launched in the past two years. Meanwhile, Apple has yet to tackle body composition. For Apple Watch owners, you’ll have to turn to accessories like the $149 Aura Strap 2.
Like smart scales, the Aura Strap 2 determines your body composition via bioelectric impedance analysis (BIA). BIA works by sending a weak electric current through your body to calculate your body fat percentage, lean muscle mass, water, and sometimes niche metrics like bone mass. This particular strap measures fat, muscle, water, visceral fat (the dangerous kind of fat), protein, lean mass, and minerals (a proxy for bone mass).
For once, a body composition device that adds extra context