When you look at features such as ECG readings ... technology that allows users to upgrade parts of the Apple Watch, perhaps with more sensors. Modular technology has failed quite spectacularly ...
The Apple Watch Series 10 just came out this ... which features an ECG app, electrical heart sensor, activity tracking for more than 20 sports, and a ton of wellness features too.
The Apple Watch 8 has extensive sensors such as an ECG and blood oxygen level tracking and now includes temperature sensing for anyone ovulating, providing them with retrospective ovulation estimates.