Following legal issues, the Iris Smart Ring is now called the VELIA Smart Ring. The company has also announced that it is a CES 2024 Award Honouree. The wearable, available to pre-order, can track health metrics such as heart rate and blood oxygen level, with more features in the pipeline.https://www.notebookcheck.net/Iris-Smart-Ring-wins-award-and-rebrands-to-VELIA.768936.0.html
By far the slimmest smart ring; hopefully soon.