I have a forerunner 255, and it picks up and shares my heart rate with a couple of people I run with. One person also has a 255 but the other person has an old 900 series. How can this be fixed?
I have a forerunner 255, and it picks up and shares my heart rate with a couple of people I run with. One person also has a 255 but the other person has an old 900 series. How can this be fixed?
