The Prevention Circul+ Heart & Blood Oxygen Monitor is an easy way to monitor multiple aspects of your health. This pulse oximeter continuously and accurately monitors health metrics like heart rate, blood oxygen, finger temperature, heart rate variability, single lead ECG and blood pressure. In Sleep Mode, nighttime blood oxygen monitoring and recording captures blood oxygen levels, heart rate, ODI and Sleep Stages. When Daytime monitoring, you can track your heart rate and steps during workouts or blood oxygenation and heart rate. Sleek, lightweight and durable, this ring comes in three adjustable sizes from small, large, to extra large.
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