Blood pressure
Lots of devices offered at your local pharmacy but they do not measure continuously and rarely export data. Devices that can measure it continuously: Contec ABPM - Bulky Medical Device Affordable
Smart Bands may be able to do it using Pulse Wave Velocity which measures the time between ECG pulse and Oximetry pulse.
Fitbit Sense https://www.mobihealthnews.com/news/fitbit-begins-smartwatch-blood-pressure-tracking-study Lots of no brand bands offer this on Amazon.
Withings Scale maybe.