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NEXTIn 1975, while cross-country skiing near his home near Kemple, Finland, Seppo Säynäjäkangas had a chance encounter with an old friend who was working as a coach. It led to a discussion over how to accurately measure athletes' heart rates during training. Just four years later POLAR filed its first patent for wireless heart rate measurement and, in 1982, launched the first ever wire-free wearable heart rate monitor.
Polar Sport Tester PE2000Wireless Heart Rate Monitor
Photo: Courtesy of Polar
