TL;DR: The Circular Ring 2 is now $299 (reg. $449) and tracks over 140 biosignals, including ECG, sleep, stress, and recovery. Wellness tech keeps getting smaller, sharper, and smarter, and the Circular Ring 2 is one of the most feature-packed examples of that shift. Now priced at $299 (reg. $449), this titanium smart ring delivers health-tracking capabilities that rival those...