Nike+ Plus Sport Sensor For NIKE Basketball And Running Shoes - Brand New 2-pack | eBay
Nike+ sensor, stand alone sensor for use with iPod/iPhone, Nike app 91206302272 | eBay
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
Nike+ sensor logo on running shoes' soles Stock Photo - Alamy
New NIKE+ Plus Ipod Nano Sport Shoe Kit Sensor Wireless Kit MA692LL/A Apple Ipod | eBay