Oura unveils the Oura Ring 5, with a 40% smaller form factor, improved sensing, and repositioned LEDs, shipping from June 4 for $399, up from the Ring 4's $349 (Bloomberg)

Bloomberg: Oura unveils the Oura Ring 5, with a 40% smaller form factor, improved sensing, and repositioned LEDs, shipping from June 4 for $399, up from the Ring 4's $349 — Oura Health Oy, the popular smart ring maker seeking to go public this year, unveiled a significantly thinner and lighter new model along with new wellness features.