The polar H9 heart rate device comes in standard Black color, that's best appropriate for your favourite everyday sports. it goes together with Bluetooth and ANT+ technologies to make sure connections to high fitness apps, sports and smartwatches, gymnasium instrumentation, and other coaching devices. Get high-quality physical exercise through this wonderful Reliable Heart Rate monitor. Polar H9 is a sure alternative to the HR sensor that fulfills all of your needs. it's engineered on decades of research project & Development, recognized by both regular users & researchers; Having excellent connectivity choices which means you'll be able to connect with Sports And smart Watches (Polar, Garmin, Wahoo, Swift, Peloton), Activity Trackers, gymnasium instrumentation And other Bluetooth And Ant+ Devices