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Wearable comparison / Polar / H9 Heart Rate Sensor
POLAR

H9 Heart Rate Sensor

Chest strapBudgetreleased 2020

What it tracks

Heart & vitals

Resting heart rateHigh accuracy
HRVHigh accuracy

Activity

CaloriesConsumer
WorkoutsHigh accuracy

Sources

https://the5krunner.com/2020/02/10/polar-h9-review-specs-h10-comparison/
If you want to go deeper

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