The Luna ring doesn't have any standout features, but it's a solid alternative to Oura—provided you can find one.

Smart ring maker Oura will likely add data collection points in the future, CEO Tom Hale told me at Web Summit Qatar. A key location: the face.

All three rings operate on a similar basis. They track movement with 3-D accelerometers, measure blood oxygen levels and ...

Mira’s integration with ŌURA allows its users to view sleep, readiness, and temperature trends alongside their hormone data in Mira’s app.

Discover how smart rings 2026 track sleep, HRV, and fitness metrics. Compare Oura Ring 4, accuracy rates, battery life, and ...

The San Francisco-based smart ring company made headlines in mid-October when it raised more than $900 million, valuing Oura at about $11 billion. Funding led by the Fidelity Management and Research ...

Smart rings are finally going mainstream with a projected 49% jump in shipments, far outpacing smartwatches’ expected 6% growth. The devices boast major advantages over smartwatches: superior battery ...