Polar RS400 Review : A mega heart rate monitor for the new year’s resolutions
January 1, 2009 by Carlos Eduardo · 40 Comments
On my continued quest to find the best heart-based training tool out there, and to now seriously start my new year’s health resolutions, I got myself a Polar RS400 heart rate monitor (technically I received it for Christmas). I preferred the RS400 over the higher end (and far more expensive) RS800cx model because most of […]