Smart Heart Ring with Mobile App

Selling a Smart Heart Ring that monitors real-time data via a mobile app. It comes with the original box, user manual, and 2 charging cable. This ring is perfect for anyone interested in tracking their health and fitness! I'm not sure how it works it's almost fully charged but it seems like it was taking a really long time for it to charge I've never had one of these so I'm not really sure how it works it's way too big for my finger