OURA Ring 4 Size 7 Smart Ring, 8‑day battery

This smart ring tracks sleep, readiness and activity with a subtle form factor that you can wear all day and night. As a sleep tracking wearable it focuses on continuous heart rate and sleep-stage measurements to help you notice trends, while keeping a minimalist look suitable for everyday use.

Key Points

The ring is made from titanium for strength and a lightweight feel, and it is designed to be worn 24/7 with water resistance for everyday wear. It records multiple health metrics including heart rate, sleep stages and recovery indicators, and it uses the Oura app for data visualisation and insights. Consider that ring sizing differs from conventional jewellery sizes, so the included sizing kit helps you confirm the correct fit before buying. 😊

Benefits

Continuous monitoring allows subtle data collection without screen distractions, which makes it convenient for users who prefer a discreet tracker rather than a wrist device. Battery life stretches across several days between charges, so you do not need to charge it nightly and can focus on routines instead. The ring’s low profile and rounded edges reduce the chance of snagging during daily tasks, and the titanium finish is tolerant of sensitive skin. For some users, the reliance on a subscription to unlock certain app features may be a limitation according to the manufacturer. 🔋

Technical Specifications

• Name: OURA Ring 4 - Rose Gold - Size 7
• Material: Titanium
• Battery life: Up to 8 days (according to the manufacturer)
• Sensing: Heart rate, sleep stages, activity, readiness and other vitals via Smart Sensing
• Water resistance: Yes

Usage Recommendations

Wear the ring consistently at night and during daytime activities to obtain the most meaningful long-term trends. If you are new to ring-style trackers, use the sizing kit to confirm the correct size, as recommended by the brand. For pairing and extended data, install the Oura app and note that some advanced features require a subscription after the first trial month. Try to keep the ring clean and avoid abrasive chemicals to preserve the rose gold finish and sensor accuracy. ✨