FitnessPro Lebanon - Providing #versatility, #comfort and #simplicity, the #PolarOH1 is an #optical #heartrate sensor worn on the #arm. Whether #running, #riding, or #rocking a workout at the #gym, this heart rate #
Polar OH1 Plus Optical HR Sensor In-Depth Review | DC Rainmaker
Polar - Introducing Polar OH1 optical heart rate sensor. Optimized for use on the lower or upper arm, Polar OH1 provides an alternative method for measuring your heart rate during training. In