![PolarGlobal on X: "Today we've launched a new heart rate sensor: Polar H9! - Bluetooth, ANT+ and 5 kHz technologies - Battery life of 400 hours - Compatible with Polar Club Discover PolarGlobal on X: "Today we've launched a new heart rate sensor: Polar H9! - Bluetooth, ANT+ and 5 kHz technologies - Battery life of 400 hours - Compatible with Polar Club Discover](https://pbs.twimg.com/media/EPczYh_XUAAja_R.jpg)
PolarGlobal on X: "Today we've launched a new heart rate sensor: Polar H9! - Bluetooth, ANT+ and 5 kHz technologies - Battery life of 400 hours - Compatible with Polar Club Discover
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Polar H9 - Heart Rate Sensor for Cellular Phone, Smart Watch, Activity Tracker, Medium, Double Extra Large - Walmart.com
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Polar H9 Bluetooth Smart HR Sensor Black XS-S Compatible W/ iOS And Android 6.0 - Bed Bath & Beyond - 30801886
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