ONRHYTHM 110 runner's heart rate monitor watch black
We designed this watch for runners to measure their heart rate to help them manage their workouts.
It's easy to regulate your effort using your target zone.
Only one color available
Stopwatch, measures heart rate in beats per minute (bpm).
Configure your target heart rate zone in beats per minute (bpm).
Watch: 5 ATM (swimming) - Strap: 1 ATM (water splashes).
Readable screen in full sunlight.