Circular Ring 2: New smart ring offers ECG, skin temperature sensor and no subscriptions

[Redaktion]

The Circular Ring 2 is the very first smart ring with an integrated electrocardiogram (ECG) that has become available for purchase. Featuring numerous sensors, cycle and fitness tracking, and a week-long battery life, the ring attempts to outdo the competition.

https://www.notebookcheck.net/Circular-Ring-2-New-smart-ring-offers-ECG-skin-temperature-sensor-and-no-subscriptions.973388.0.html