Oura

Oura typically refers to the Finnish health technology company Oura Health Oy and its core product, the Oura Ring (smart ring), which is the global pioneer and market leader in the smart ring category.

Oura Ring 5 Review: The Smart Ring King Crowns Itself

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Oura Ring 5 six colors official render

On May 28, 2026, Oura—the undisputed leader in smart rings—launched its fifth-generation product, the Oura Ring 5. On the same day, the company confidentially filed its IPO prospectus with the US SEC.

This is no coincidence. Oura needs a product stunning enough to justify its $11 billion valuation and $1.5 billion revenue target for 2026.