Are you looking for a reliable and high-quality heart rate sensor with a chest strap? The Polar H9 offers everything you need—and much more. The Bluetooth and ANT+ technologies provide numerous options for connecting to your favorite apps and fitness devices.

Just connect both, and you're ready to go.

The Polar H9 is a versatile heart rate sensor that can be connected to a wide range of devices. Thanks to Bluetooth, ANT+, and 5 kHz technologies, it can even maintain simultaneous connections to multiple devices.

Polar Beat is just one example of the many fitness and training apps you can connect your Polar H9 heart rate sensor to. Simply choose the app that best suits your needs and turn your smartphone into a fitness tracker. Size XS-S: 54-66 cm.