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OH1+ Optical Heart Rate Sensor

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From an Authorized Retailer

Small in size, large in functionality. The small and handy Polar OH1 is your companion in the world of heart rate training. It helps you to train smarter, not harder. You can wear Polar OH1 on either your upper or lower arm. It’s easy to put on and take off anywhere, anytime.


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Polar OH1 is an optical heart rate monitor that combines versatility, comfort and simplicity. You can use it both as a standalone device and pair it with various fitness apps, sports watches and smart watches, thanks to Bluetooth and ANT+ connectivity.

When you're in the pool, place Polar OH1 in its clip on your goggles. It stays in place, allowing you to concentrate on your swimming. The Polar OH1 + product package includes a swimming goggle strap clip for easy use in the pool.


  • Polar OH1 tracks your heart rate during all your sports, on land and in water
  • Ability to use Bluetooth and ANT+ connections simultaneously and get your heart rate streamed to multiple devices in real time
  • Optical heart rate sensor offers an easy-to-use alternative to heart rate chest straps
  • Pair it with your favorite app or to your ANT+ or Bluetooth-compatible sports watch, fitness tracker or cycling computer
  • Internal memory stores up to 200 hours of training data
  • Enable Polar Smart Coaching features by pairing with a Polar wrist unit or the Polar Beat app
  • Firmware updates enhance its functionality
  • Long-life rechargeable battery lets you enjoy 12 hours of operating time