Oura Ring 4 Unveiled: A Refined Wearable Experience
Oura has officially launched its fourth-generation smart ring, the Oura Ring 4, marking a significant evolution in wearable health technology. Arriving nearly three years after its predecessor, this iteration focuses on refinement rather than reinvention—delivering sleeker hardware, improved accuracy, and broader accessibility.
Key Upgrades in Design & Comfort
- Slimmer Profile: The already compact ring now features a more streamlined design with recessed sensors, enhancing comfort for continuous wear.
- Expanded Size Range: Available in sizes 4–15 (up from the previous range), catering to a wider audience.
- Premium Materials: Crafted from lightweight, durable titanium, matching the feel of traditional rings.
- New Color Options: Six finishes, including a deeper black variant for a more sophisticated look.
Advanced Health Tracking Capabilities
Despite the sleeker form, Oura claims improved sensor accuracy thanks to:
- Asymmetric Photoplethysmography (PPG) Sensors: Strategically placed for better signal quality across diverse finger anatomies.
- Multi-Wavelength LEDs: Green, red, and infrared sensors for precise heart rate, respiratory rate, and blood oxygen (SpO2) monitoring.
- Temperature Sensor: Tracks subtle changes for insights into recovery and illness.
Data Accuracy Improvements (vs. Gen 3):
- 120% better SpO2 signal quality (30% increase in overnight accuracy)
- 15% more precise breathing disturbance index (BDI)
- Fewer gaps in heart rate data (7% daytime, 31% nighttime)
Battery Life & Software Features
- 8-Day Battery: Outlasting most smartwatches due to its screen-free design.
- Oura Labs (Android): Access experimental features like meal tracking and Symptom Radar (originally developed for pro athletes).
- Generative AI Integration: The new Oura Advisor offers personalized health insights based on your data.
Pricing & Availability
- Preorders Open: Shipping begins October 15.
- Starting Price: $349 (with a 1-month free membership to Oura’s premium analytics platform).
- Subscription: $6/month or $70/year post-trial.
Why It Stands Out
The Oura Ring 4 retains its edge over compe*****s like the Apple Watch with SpO2 tracking and passive health monitoring—all while maintaining exceptional battery life. Its focus on comfort and inclusivity (via expanded sizing) makes it a compelling choice for 24⁄7 wear.
Note: Oura will continue selling the Gen 3 ring until current stock runs out.
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