Samsung has launched its latest high-end wearables, the Galaxy Watch4 series, today (August 11, 2021). These new smartwatches incorporate the cutting-edge sensors for health metrics that include blood pressure and advanced sleep tracking as might be expected from the OEM. However, they have something new as well: body-composition sensing that apparently rivals industry-standard equipment.
https://www.notebookcheck.net/Samsung-confirms-an-upgrade-to-body-composition-analysis-in-the-Galaxy-Watch4-series.554725.0.html