Polar H9 - Heart Rate Sensor for Cellular Phone, Smart Watch, Activity Tracker, Medium, Double Extra Large

Buy Polar H9 - Heart Rate Sensor for Cellular Phone, Smart Watch, Activity Tracker, Medium, Double Extra Large at

Polar H9 is the ideal jack-of-all-trades heart rate sensor that connects to a large variety of devices. Thanks to Bluetooth, ant+, and 5 kHz technologies, it is possible to connect to multiple devices at the same time. Whether you are hitting the gym, indoor cycling, jogging, or in a group exercise class, polar H9 tracks your heart rate together with your chosen app or device.

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