The health metrics are helpful for chronic illness Instead of a target step count, calorie goal or weight-loss target, the band—a heart-rate sensor made by Polar and worn on your upper arm ...

Heart rate monitoring is another ... I used its dual-band GPS for outdoor workouts and tracked recovery metrics with Polar’s app tools. I also evaluated its smartwatch functionality by syncing ...

The watch’s dual-band system is quick to connect ... Health tracking is another strength of the Vantage M3. Polar’s fourth-generation optical heart rate sensor serves up reliable data during ...

[Wolf] had a Polar brand exercise watch that wirelessly monitored a chest strap that sends it heart rate data. It sounds like there’s some way to transfer data from the watch to a computer ...