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Polar OH1 Optical Heart Rate Sensor


Polar OH1 is an optical heart rate monitor armband that combines versatility, comfort and simplicity. It fits comfortably around your arm and tracks heart rate with Polar’s high-quality optical heart rate solution.

With Polar OH1, nothing stands between you and your goals.

Works with Polar products
Not a fan of chest straps? Polar OH1 is a great alternative for you: it works with all Bluetooth-compatible Polar sports watches, trackers and cycling computers.

Your phone is your training buddy
Polar OH1 streams real-time heart rate to many popular fitness apps on both iOS and Android phones.

Use it on its own
Prefer training without a watch or phone? Polar OH1 has an internal memory that can store up to 200 hours of training data.


  • Optical Heart Rate Tracking 
Polar OH1 tracks your heart rate with Polar’s high-quality 6-LED optical heart rate solution.
  • Heart Rate Sensor Mode

You can use Polar OH1 to broadcast your heart rate to any Bluetooth-compatible Polar device, many fitness apps and Bluetooth-compatible gym equipment.

  • Built-in Memory

Polar OH1 has a built-in memory that can store up to 200 hours of training data. You can sync your data to Polar Flow with both the Polar Flow app and web service.

  • Comfortable Textile Armband

The Polar OH1 armband fits snugly, comfortably and discreetly around your arm. The band is made of a soft textile material and is machine-washable.

  • Updatable Firmware

Polar OH1 keeps on improving with over-the-air updates.

  • Long Battery Life

With Polar OH1 you get up to 12 hours of training time on a single charge. You can charge the battery easily with the Polar OH1 USB adapter (included).

  • Waterproof

Polar OH1 is waterproof up to 30 m.

      What is included:
      1 x Polar OH1 Heart Rate Sensor
      1 Year Manufacturer Warranty

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