

At Polar we embrace wireless technology. In fact we pioneered its development and continue to further technology in the field to improve resolution and eliminate interference. The WearLink+ transmitter W.I.N.D. is a result of that dedication. With a soft textile chest strap it's the latest generation of Polar's proprietary heart rate sensing and transmission technology.Polar W.I.N.D. technology eliminates interference from external influences such as power linesSizes:XS-S fits chest size up to 50cmM-XXL fits chest size up to 61cm
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