4 tracking modes measure walking steps, aerobic steps, distance covered and calories burned to show how much youve progressed Tri-Axis technology keeps this fitness tracker accurate in almost any position, so you can keep it in your purse, pocket or on your hip and never miss a step Auto stride length calculation makes setup simple and assures a more precise distance measurement 7-Day memory allows you to store and review up to one week of activity data Automatic reset function resets the pedometer at midnight every night for the most precise daily count Lightweight construction (it weighs less than an ounce) with large display and buttons make it discreet and easy to operate