Why isn’t there a Polar Optical HR Sensor? After all Polar have been the gold standard…
Tag: SWIMMO
SWIMMO – move over Garmin in the water
How about an affordable swim watch? How about one that does accurate optical heart rate How…
Why isn’t there a Polar Optical HR Sensor? After all Polar have been the gold standard…
How about an affordable swim watch? How about one that does accurate optical heart rate How…
