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

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

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COMFORT: Polar Verity Sense keeps your wrist free for maximum comfort and freedom of movement. Just slip it on your upper or lower arm, clip it on your swimming goggles or place it snug and firm against your skin under tight-fitting clothing. CONVENIENCE: With only one button, using Polar Verity Sense couldn't be easier. Just switch it on and put it on your arm or temple and you’re ready to start your workout right away.

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POLAR H9 Heart Rate Sensor

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