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
Today in Apple history: Nike+iPod Sport Kit puts fitness tracking in pockets
Nike Fitness Activity Trackers with Pedometer for sale | eBay
Nike Plus Sportband 2 Pedometer AW12 | Internal | Wiggle Nederland
NIKE+ SPORTBAND PEDOMETER SENSOR WM0057 no return | eBay