I am absolutely not this fit, is the polar H10 fitness test known to be inaccurate? Or any other factor that would cause a high reading? : r/Polarfitness
Polar Flow – Sync & Analyze - Apps on Google Play
Does polar beat overestimate calories burned ? : r/Polarfitness
Polar H10 Heart Rate Monitor: Very Long Term In-Depth Review | DC Rainmaker
Did humans drive this polar bear insane? - The Boston Globe
Wild find: Half grizzly, half polar bear
Polar Beat: Running & Fitness - Apps on Google Play