The Circular Ring 2 became available for pre-order on Kickstarter on March 5, 2025. Kickstarter is a website where companies ...

Following an initial unveiling at CES 2025, Circular has finally officially opened pre-orders for its next-generation smart ...

BLE, accelerometer, heart sensor, and a battery, all in a tiny package that fits on your finger. Back when we covered it, we ...

Smart rings perform several of the functions of a smartwatch such as heart rate, sleep tracking and blood oxygen level (SpO2). Activities are sent to a smartphone app. A subscription is generally ...

The Gabit Ring boasts a comprehensive suite of sensors, including PPG, SpO2, skin temperature, and a 3D accelerometer, enabling it to track a wide range of health metrics and activities.

One of the latest features being added to fitness bands is blood oxygen monitoring or SpO2 monitoring, allowing you to keep a track of your oxygen saturation levels. Fitness bands also allow you ...