NIKE + PLUS IPHONE WIRELESS WALKING RUNNING SENSOR FOR IPHONE, IPOD & Lace Pouch | eBay
The Physics of Nike+ Hyperdunk | WIRED
Today in Apple history: Nike+iPod Sport Kit puts fitness tracking in pockets
Nike+ sensor, stand alone sensor for use with iPod/iPhone, Nike app | eBay
Nike/Apple Fitness Sensor (iPod or iPhone) | eBay
Sensor Pouch Nike iPod Run Sneaker Shoe Laces Holder Cases Sport Pink New - Walmart.com
Watch Nike+ 42mm Space Gray Aluminum Case Black/Cool Gray Nike Sport Band - Space Gray AluminumSmart Smartwatch for iPhone Nike Plus MNYY2LL/A - Walmart.com