NIKE + iPod Sport Shoe Kit Sensor Wireless Kit- Apple iPod Nano New | eBay
Armband for iPod nano 3rd generation (fits with a connected Nike Sport Kit Receiver) bundled with Sensor Case for Nike + iPod Sport Kit Sensor (does not include actual sensor)- Buy Online
Nike Plus iPod Nano Sport Sensor Wireless Apple Sneakers Shoe MSRP 29.00 New 885909361533 | eBay
Nike + iPod Sensor | Apple Wiki | Fandom
Amazon.com: Shoe Pouch for Nike+iPod Sport Kit Nano iPhone Touch Sensor Pink Case X-mas Gift : Electronics
Today in Apple history: Nike+iPod Sport Kit puts fitness tracking in pockets