Polar H9 adds more affordable heart rate monitor for training with

Polar's new H9 heart rate monitor strap trims extra features off top H10 strap, dropping price 33% but keeping multi-device Bluetooth & ANT+ connectivity

Polar H9 adds more affordable heart rate monitor for training with all devices - Bikerumor

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Polar H9 adds more affordable heart rate monitor for training with all devices - Bikerumor

Polar H9, Affordable heart rate monitor chest strap

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