About Oura Ring 4 Ceramic
The “Oura Ring 4 Ceramic” integrates advanced healthcare technology with an elegant design. Its construction utilizes high-performance zirconia ceramic, chosen for its durability, lightweight feel, and skin-friendly, hypoallergenic qualities. Through a specialized firing process, the material’s strength is enhanced, resulting in a smooth, polished surface.
This product incorporates all the functionalities of the Oura Ring 4 and is offered in four limited edition colors: Midnight, Petal, Tide, and Cloud. It is designed to provide exceptional durability and hardness while complementing individual styles. Each “Oura Ring 4 Ceramic” also includes a dedicated ceramic polishing pad, enabling users to easily remove minor scuffs and maintain the ring’s pristine appearance.
For more details, please visit: https://ouraring.com/ja/store/rings/oura-ring-4-ceramic
Product Overview
-
Product Name: Oura Ring 4 Ceramic
-
Price: ¥74,800 (tax included)
-
Colors: All 4 colors (Midnight, Petal, Tide, Cloud)
Official Website URL: https://ouraring.com/ja/store/rings/oura-ring-4-ceramic
Available at:
-
Bic Camera: https://www.biccamera.com/bc/item/14872461/
-
Yodobashi Camera: https://www.yodobashi.com/product/100000001009722417/
-
Yamada Denki: https://www.yamada-denkiweb.com/
About ŌURA
ŌURA is a leading smart ring company dedicated to supporting individuals in living healthier, longer, and more fulfilling lives. Through the “Oura Ring,” the company delivers personalized health data, insights, and daily guidance.
With a mission to transform healthcare from “sick care” to “preventive health,” ŌURA supports over ten million members worldwide through a multifaceted approach covering sleep, activity, stress, readiness, women’s health, and cardiovascular health.
The lightweight Oura Ring is scientifically validated against medical gold standards, continuously tracking more than 50 health metrics with precision. Its accuracy is trusted by individual members as well as thousands of research teams, healthcare providers, and specialized institutions. Collaborating with over 1,000 ecosystem partners across wellness and medical sectors, ŌURA is shaping the future of preventive healthcare.
Established in Finland in 2013 and headquartered in San Francisco, ŌURA has raised over $900 million in funding. Following its Series E funding round in 2025, the company’s valuation reached approximately $11 billion. With global cumulative sales exceeding 5.5 million units, ŌURA continues to achieve revenue growth by expanding its health insight platform and global presence.
For more information, visit the official website: https://ouraring.com/ or follow ŌURA on Instagram, LinkedIn, and TikTok. Please note that the Oura Ring is not a medical device and is not intended for the diagnosis, treatment, prevention, or monitoring of any disease.
ŌURA Company Profile
-
Company Name: Oura Health Oy
-
Established: 2013
-
CEO: Tom Hale
-
Headquarters: Oulu, Finland, and San Francisco
-
Business Activities: Development and sales of the “Oura Ring” smart ring, and provision of related software services.
