Polar H10 Heart Rate SensorThe Polar H10 heart rate sensor is the perfect choice when it comes to accuracy and connectivity. Monitor your heart rate with maximum precision and transmit it to different training devices via Bluetooth® and ANT . Polar H10 Heart Rate SensorUnbeatable in any aspect.It is trusted by medical researchers and sports professionals around the world to measure the beat of the human heart with unmatched accuracy.PrecisionThe reason professional athletes have been choosing H10 as their training device for half a decade.ReputationWhen others want to validate the accuracy of their devices, they use Polar H10.WorthAn engineering feat that consistently delivers the most reliable results at an affordable price.Battery durationUp to 400 h* (*or more than a year of daily training for one hour.)Waterproofup to 30mSmart designDon't you love it when things do exactly what they were designed to do? Polar H10 is designed to accurately measure your heart rate. And that is exactly what it does.firm buckleThis ensures close contact with the skin to block any movement interference when you move.Non-slip silicone dotsThese keep the sensor attached to your chest at all times so it can measure your heart rate perfectly.soft textile bandProvides maximum comfort whenever you wear the sensor and for as long as you wear it.is well connectedYou can record a workout session, connect to your smartphone, stream to a variety of gym machines, and sync with your favorite sports and fitness apps. oh! And you can even use it with products from other brands.