Product Description Measures accurate running speed/pace and distance with the S625x
Amazon.com Product Description With the Polar S1 Foot Pod, you can track your speed, distance, pace and average speed on a compatible Polar heart rate monitor (HRM). The Polar S1 combines inertial technology and DSP (digital signal processing) to provide accurate speed/pace and distance data. Worn on top of your shoe, it offers excellent water resistance. It's compatible with Polar S625X, S725X, RS200 and RS400 models. It comes with an extra holder fork.
About Polar The first EKG accurate wireless heart rate monitor was invented by Polar back in 1977 as a training tool for the Finnish National Cross Country Ski Team. The concept of "intensity training" by heart rate swept the athletic world in the eighties. By the 1990s, individuals were looking to heart rate monitors not only for performance training needs, but also for achieving everyday fitness goals. Today, the same concept of heart rate training is being used by world-class athletes as well as everyday people trying to lose weight. Polar is the leading brand among consumers, coaches, and personal trainers worldwide and the company is committed to not only producing the best products, but also being the leading educator on the benefits of heart rate based exercise.
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