An Overview of A Polar GPS Watch – How The S1/S3 GPS Sensors Can Add A New Dimension To Your Training
Certain Polar heart rate monitor watches, can be fitted with the Polar S1 or S3 GPS sensor, to effectively create a Polar GPS watch, that delivers the benefits of GPS, allowing you to view your running speed and distance travelled on your training runs. Polar is regarded as one of the best heart rate monitor…