... . 60 days memory From original factory, 3-axis digital USB pedometer (PDM-2608) is multifunctional ... stop watch and calorie, which offers a more precise way to calculate the exercise intensity, therefore, ... more effectively. In addition, since this 3-axis pedometer comes with the usb interface, people ... efficiently and scientifically. In addition, the 3-axis digital USB pedometer itself has 60 days memory ...