Polar Electro Oy (globally known as Polar) is a manufacturer of sports training computers, particularly known for developing the world's first wireless heart rate monitor. The company is based in Kempele, Finland and was founded in 1977. It now has 26 subsidiaries with 12,000 total employees that supply over 35,000 retail outlets in more than 80 countries; the Polar company itself has approximately 1200 employees worldwide. Polar manufactures a range of heart rate monitoring devices and accessories for athletic training and fitness and also measure heart rate variability.
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