This is such a great and a must smart watch for elderly people, it's function of detecting vital signs is such a wonderful feat to achieved. Would definitely buy this one for my grandmother who is having a hypertension and they can't avoid to have lots of bodily problems since they are aging, this watch would be beneficial to them. I wouldn't mind for the price of this one, health is wealth and that make this watch perfect! 5 out 5 for this smart watch.
Talking about downside? Well, none actually.