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Polar OH1 Optical Heart Rate Sensor


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  • 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.
  • Bulit-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.

  • Specs


  • Weight - Sensor 5 g, armband 12 g
  • Height - 9.5 mm
  • Diameter - 29.85 mm
  • Armband - Size M-XXL, machine-washable
  • Compatibility

  • iOS mobile devices: iPhone 4S and later; Android mobile devices with Bluetooth 4.0 capability and Android 4.4 or later.
  • Updates

  • Via Polar Flow
  • Memory

  • 4 MB, up to 200 hours of training time
  • Battery

  • Rechargeable 45 mAh lithium polymer battery
  • Water Resistance

  • 30 m
  • 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.

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