Circular's digital sizing solves smart rings' biggest problem - preorder your Ring 2 now

French tech brand Circular has stepped up its smart ring game with the Circular Ring 2. The ring is now available for preorder, months after its CES debut. The second-generation smart ring is all in on heart health monitoring and upgrades many of its features to keep up with the industry competition. There's an FDA-cleared Atrial Fibrillation detection algorithm to monitor arrhythmia included within the ECG capability for "real-time heart health insights," according to the press release, and a wireless charging case option for cordless charging. Improved sensors also reportedly boost the accuracy of data captured. Also: The best fitness rings Most smart ring brands send customers a ring sizing kit to try on the correct ring size before committing to a smart ring. Circular is changing this process with its Digital Ring Sizing, which users can try out on their phones--no physical kit is needed. The Digital Ring Sizing uses a smartphone's camera to determine a user's ring size. This is ... Read full article.