Elevate your workout experience with the Apple Nike Plus + iPod Running Shoe Sensor, model number MA368LL/E. This innovative accessory seamlessly integrates with your iPod, allowing you to track your distance, pace, and even heart rate as you exercise. Its compact, white design is both stylish and functional, compatible with a range of iPod models, and perfect for any fitness enthusiast. The unit, which comes packaged in its original sealed box, ensures authenticity and quality. You'll appreciate the ease of setup and the precision tracking that this unit offers, enhancing your athletic performance and making your workouts more effective. Whether you're a casual jogger or a dedicated athlete, this iPod Sensor is an indispensable tool for your fitness regimen.