All watch vitals checked with pulse oximeter, medical grade blood pressure monitor, and the watch provides ECG, Blood Pressure, Stress Levels, Blood Oxygen, Live Pulse, HRV monitor, the works : r/GalaxyS21
Customer Reviews: Samsung Galaxy S21 Ultra 5G 128GB Phantom Black (AT&T) EB-BG998ABY - Best Buy
OtterBox Prefix Series Ultra Thin Cell Phone Case For Samsung Galaxy S21 LTE/5G | eBay
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All watch vitals checked with pulse oximeter, medical grade blood pressure monitor, and the watch provides ECG, Blood Pressure, Stress Levels, Blood Oxygen, Live Pulse, HRV monitor, the works : r/GalaxyS21