Apple and Nike combine an iPod, a sensor, and running shoes to acquire and display your time, distance, and pace, as well as the calories you've burned. With these 21st century sneakers, you can review workout stats by run, week, or month.
Apple and Nike combine an iPod, a sensor, and running shoes to acquire and display your time, distance, and pace, as well as the calories you've burned. With these 21st century sneakers, you can review workout stats by run, week, or month.