Polar WearLink+ transmitter Nike+ picks up your heart’s signals and transfers that data into the Nike+ system. The soft textile chest strap seamlessly adapts to your body shape, bringing full freedom of movement to your training. With its hook mechanism, transmitter is just as quick to put on as it is to take off.

• Provides heart rate information to nikeplus.com web service with compatible Nike+ devices
• Uses coded 5 kHz transmission, ensuring that your Polar training computer finds your heart rate signal
• Machine washable textile strap
• Water-resistant connector
• User replaceable battery

Size: M-XXL