![background image](https://i.helpnox.com/iPod touch/en_US/iPod touch_en_US111.png)
Linking a sensor
Nike + iPod bases its workout data on a signal from a sensor (sold separately) that you attach
to your shoe. The first time you start a workout, you’re prompted to activate your sensor, which
automatically links the sensor to iPod touch. You can also use Nike + iPod settings to link a sensor
to iPod touch.
Nike + iPod can link to only one sensor at a time. To use a different sensor, use Nike + iPod settings
to link to the new sensor.
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![background image](https://i.helpnox.com/iPod touch/en_US/iPod touch_en_US112.png)
Link your sensor to iPod touch: Attach the sensor to your shoe, then go to Settings > Nike + iPod
> Sensor.
Link iPod touch to a
different sensor
Go to Settings > Nike + iPod > Sensor and tap Link New.