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Continue to ChatThe Polar H9 is a dedicated heart rate sensor that balances accuracy and affordability https://dev.stuff.tv/hot-stuff/wearables/polar-h9-dedicated-heart-rate-sensor-balances-accuracy-and-affordability/
The Polar H9 is a dedicated heart rate sensor that balances accuracy and affordability https://dev.stuff.tv/hot-stuff/wearables/polar-h9-dedicated-heart-rate-sensor-balances-accuracy-and-affordability/