A step counter is a device that counts the number of steps a person takes. But do you know how they work?A step counter is a device that counts the number of steps a person takes. But do you know how they work?A step counter is a device that counts the number of steps a person takes. But do you know how they work?A step counter is a device that counts the number of steps a person takes. But do you know how they work?A step counter is a device that counts the number of steps a person takes. But do you know how they work?A step counter is a device that counts the number of steps a person takes. But do you know how they work?A step counter is a device that counts the number of steps a person takes. But do you know how they work?A step counter is a device that counts the number of steps a person takes. But do you know how they work?A step counter is a device that counts the number of steps a person takes. But do you know how they work?A step counter is a device that counts the number of steps a person takes. But do you know how they work?