Apple iPod Nano 16GB MP3/Video Player with Touchscreen, Blue , Like New - Walmart.com
Are apps like Runtastic, Runkeeper, Nike Running, etc. accurate in showing how many km you've walked/jogged and the amount of calories you've burned? - Quora
How accurate is the Nike+ iPhone app in measuring distance? - Quora
Apple iPod Nano 7th Gen 16GB Green, Like New , Original Retail Box - Walmart.com