Pair this lightweight heart rate strap with your phone, compatible watch or bike computer, and take your training to the next level. Pair the Polar Beat app, or your favourite fitness app, with the H9 and you’re ready to go. From calories burnt, to rest and recovery stats (in app), adding a heart rate strap lets you train smarter.

Polar Flow app lets you share your training data with coaches, trainers and your fitness community
Works with many apps: Runtastic, Endomondo MyFitnessPal, Nike+ Run Club, TrainingPeaks, Strava and more
Broadcasts heart rate over both ANT+ and Bluetooth™ Smart
Compatible with any gym cardio stations that use coded 5kHz transmission
Soft, snug fit gives greater comfort and more accurate readings
Snap off sensor makes the strap easy to wash
Easy to replace CR2025 battery is good for more than 400 hours
30m waterproofing isn’t be bothered by heavy rain or swimming
Soft rounded edges are comfortable to wear
Comes in 2 sizes, XS-S fits 51-66cm chests and M-XXL fits 65-93cm chests
In the box: H9 heart rate sensor, soft strap and documentation

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Polar H9 Heart Rate Monitor