the Circular Ring 2. This smart ring comes with a built-in ECG, and it also has a digital sizing functionality. We’ll explain what that is in no time. Circular made this announcement at the ...

Nearly two months after revealing its second-generation smart ring, Circular has finally started taking pre-orders for the ...

Dubbed the ‘world’s thinnest smart ring’, the Circular Ring Slim lives up to these expectations with its lightweight and comfortable design. It uses a combination of sensors to measure and ...