timsim761 month ago000Is the Polar OH1+ upper arm heart rate band compatible with the Forerunner 255? I want the measurement from the upper arm band to be displayed on the watch instead of the wrist measurement as this is supposed to be more accurate.Show in original language (German)cdagher1 month ago+110 Helpful answerYes, it is compatible. It can transmit via Bluetooth and ANT+.Show in original language (German)Comment1 commentWolfW22701 month ago000Unfortunately, I can't answer this question as I don't own such a device. As you know, the devil is in the detail with these things.Show in original language (German)Comment