Amazon sale: Up to 50% discount on smartwatches and fitness bands from Samsung and others with SpO2 monitoring feature | Gadgets Now

Garmin vivosmart 4 fitness tracker also offers SpO2 monitoring feature. The band can track activities including Strength Training, Elliptical Training, Stair Stepping and Yoga. Other key features include a heart rate sensor, Barometric altimeter, Accelerometer and Ambient light sensor. It is compatible with both Android and iOS.