best heart rate monitors for beginning runner
The constant annoyance of unreliable heart rate data is finally addressed by the Zeacool Fitness Tracker 24/7 Heart Rate, Blood Oxygen Blood. After hands-on testing, I found it offers accurate, real-time monitoring during runs, thanks to its 24/7 heart rate, blood oxygen, and blood pressure tracking. Its 1.10-inch AMOLED HD touch screen makes viewing stats … Read more