This is a set of 14 pedometers used for a wedding reception entertainment. They worked without issue on the day of the event, and a simple functionality check (displaying the count) has been performed before listing. This product is not intended for uses requiring precise accuracy, but rather for entertainment, events, and recreation. Some units come with manuals and boxes, but please understand that there are variations. Please purchase only if you understand that these are used items and have been only briefly tested. *We are not considering selling these individually. *Battery life is not guaranteed.