Who remembers the Nike+ iPod Pedometer? Went in your shoe under the insole and connected to your iPod via a separate 30-pin dongle. : r/RunningShoeGeeks
Amazon.com : Nike+ Stand Alone Sensor Kit : Nike Plus : Sports & Outdoors
Nike+ - Wikipedia
Amazon.com: Nike+ Standalone Sensor - One - Red : Clothing, Shoes & Jewelry
Nike+ - Wikipedia
2x Nike Plus A1193 Sensor Shoe Running Apple SportWatch iPhone Fitness 4.c3 for sale online | eBay
How to Pair / Link iPod nano 7th Gen with Nike+ sensor - YouTube
Review: Apple Computer Nike + iPod Sport Kit and Sensor | iLounge
Nike+ Sensor Run Tracking Sensor Kit Accessory - Other - Running Accessory - Running - All