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
THE NIKE+ PLUS SPORTBAND SENSOR PEDOMETER WM0043 084 W/ CASE- Orange | eBay
Amazon.com: Nike+ Standalone Sensor - One - Red : Clothing, Shoes & Jewelry
Nike+ FuelBand - Wikipedia
Nike+ SportBand (Sonic Yellow/Imperial Purple) | Purple, Nike, Running in the rain