Today in Apple history: Nike+iPod Sport Kit puts fitness tracking in pockets
The Best Shoe Pedometer?
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 + iPod Sensor | Apple Wiki | Fandom
Nike+ SportBand and Enhanced Digital Running Destination | Pinoy Fitness