Zuwit-walking Running Pace Step Counter Shoes Lace Pedometer Measures daily steps taken and distance travelled and shows results in calories and grams of fat burned each day Action Mode records specific activity periods throughout the day The colour version Will send randomly There are two holes in the back, you need to tie it to your shoes to get accurate. And it won't get lost when running or walking. The pedometer allows you to see instantly how many steps you've taken each day, and therefore how much exercise you're getting on a daily basis.