What are the health functions of the ultra-micro AI life warning watch?

I've been paying attention to this watch and I'm going to buy one for grandpa. This watch has many health functions. It can monitor blood oxygen, blood pressure, heart rate, atrial fibrillation, sleep, exercise and other data for 24 hours. It can also warn cardiovascular and cerebrovascular diseases 7 days in advance, as well as SOS one-click call, accurate positioning, intelligent SMS to inform family members, and manual customer service to assist in dialing 120 and other services. Very suitable for the elders at home. Hope to adopt!