With your Galaxy Watch4 you can monitor your health. Monitor your blood pressure, BMI, muscle mass, body fat, body water percentage, blood oxygen level and more. The new Samsung Galaxy Watch4 puts advanced health features right on your wrist. It monitors all your activity throughout the day and analyses your body composition, blood pressure and sleep cycles in detail. All thanks to its state-of-the-art sensors. The new Samsung Galaxy Watch4 will undoubtedly become the best ally of your health.Samsung Galaxy Watch4 Bluetooth 44 mm black smartwatch.