Works with Nike+ SportBand and 5th generation iPod nano
Coded signal ensures link between Nike+ device and heart rate signal
Uses Polar's traditional 5 kHz and Nike+ compatible transmission technology, so you can use it with the Nike+ system and a compatible Polar training computer at the same time
The soft textile chest strap seamlessly adapts to your body shape, bringing full freedom of movement to your training.
Machine-washable textile strap