Accurate ECG heart rate tracking

ECG – or Electrocardiogram – chest strap sensors provide the perfect solution for high-intensity training and accurate heart rate measurements that respond quickly to rapidly increasing heart rate without being affected by temperature, water, sweat, or even skin pigmentation. And the replaceable battery delivers up to 400 hours – or more than a year of training every day for one hour – of reliable heart rate tracking.

Bluetooth, ANT+, and 5kHz connectivity

Connect to your smartphone, broadcast to a huge range of gym equipment, and sync to your favorite fitness and sports apps. Oh, and you can even use it with products from other brands.

Ergonomic, washable soft strap

Polar H9 is designed to feel good against your skin for as long, and as often, as you train. The soft textile strap is made for comfort, and the detachable sensor can be easily removed so you can machine wash the strap and keep it in the best condition for long-term use.