Send your heart rate information to any Nike+ compatible device. This second generation version features a chest strap that’s soft and stretchy, for greater comfort and freedom of movement as you train.
- Compatible with Nike+ devices, including iPod® Nano, Nike+ Sports Band, Nike + GPS Sports Watches and select Polar® training computers
- Coded 5kHz transmission ensures your device finds the right signal
- Machine washable textile strap
- Easy on, easy off hook mechanism
- Water-resistant connector
- User replaceable battery
