This wireless sensor works with your iPod nano, iPod touch (2nd generation), or iPhone 3GS to track your workouts. Insert it into the built-in pocket beneath the insole of your Nike+ shoe and pair it with your existing Nike + iPod receiver attached to your iPod nano.

If you have an iPod touch (2nd generation) or iPhone 3GS, all you need to track your workouts is this wireless sensor. With its built-in support for Nike + iPod, your iPod touch (2nd generation) or iPhone 3GS can deliver all the benefits of the Nike + iPod Sport Kit without the extra receiver.

This sensor is also perfect as a replacement for a sensor that has been lost or has exhausted its battery. Or it's great if… more » you want to have a sensor for a second pair of Nike+ shoes.

This package also includes only the wireless receiver for iPod nano.