Samsung Galaxy Watch 4 has a three-in-one health sensor that you can use to measure your heart rate and read about body composition. It remains the first main smartphone with Bioelectrical Impedance Analysis (BIA). The Classic version of the watch has fancier materials like the physical rotating bezel, leather straps, and a stainless-steel case.
Samsung Galaxy Watch 4 User Guide: A Complete User Manual for Beginners and Pro with Useful Tips & Tricks for the New Samsung Galaxy Watch 4 Hidden Features (Large Print Edition) Ernest Woodruff 3.5 out of 5 stars 16
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