However, that’s changing with CES 2025. The French brand Circular has unveiled its second-generation smart ring, the Circular Ring 2, which introduces a phone-based sizing system. It reduces ...

In this paper, we provide a solution to channel estimation for fractional Doppler channels. The proposed estimation provides new insight into the OTFS input-output relation in the DD domain as a 2D ...

Fresh off of Oura revealing a feature that helps users identify a cold or flu, Circular has announced its Ring 2, a next-gen wearable with an Atrial Fibrilation detection algorithm approved by the ...

Those devices all intrigued me — and I look forward to more hands-on time with each — but the most impressive smart ring at CES 2025 has to be the Circular Ring 2. Chosen as one of our top 25 ...

The previous generation, the Circular Ring Slim, didn’t impress us too much in our review testing process. But the company has been hard at work righting some of those wrongs. It updated the ...

The Circular Ring 2 adds FDA-cleared EKGs, digital ring sizing, better battery life, an actual dock, and a more premium design. The Circular Ring 2 adds FDA-cleared EKGs, digital ring sizing ...

The new method proposed here operates well for linear deformation, angular deformation, and rotation with the help of convolution of the image pixel values matrix with Gaussian weights matrix, and ...

Circular has announced the next generation wearable - the Ring 2 at CES 2025. The successor to the original Circular Ring comes with better sensors and Titanium build. The Ring 2 will cost $380 and ...

To address this issue, this study proposes an improved YOLOv8-based method for detecting Xinhui citrus maturity. GhostConv was introduced to replace the ordinary convolution in the Head of YOLOv8, ...

IT之家1 月 8 日消息，Circular 在 CES 2025大展上，推出了 Circular Ring 2 智能戒指，融合了先进的健康监测技术和精致的设计，零售价为 380 美元（IT之家备注：当前约 2787 元人民币），预计将在 2025 年 1 月启动众筹活动，并于 2 月或 3 月正式上市。 这款戒指不仅时尚 ...