Polar

Polar Electro Oy (commonly known as Polar) is a Finnish manufacturer of sports training computers, particularly known for developing the world's first wireless heart rate monitor.

The company is based in Kempel, Finland and was founded in 1977. Polar employs around 1,200 employees worldwide and has 26 subsidiaries that supply products to over 35,000 retail outlets in over 80 countries. Polar manufactures a range of heart rate monitoring devices and accessories for sports training and fitness and heart rate variability measurement.