Oura Ring Gen3 Horizon Smart Ring, Size 7, Black

The Oura Ring Gen3 Horizon is a revolutionary smart ring designed for comprehensive personal health tracking. It accurately monitors sleep, activity, recovery, and stress with advanced sensor technology, all within a stylish, durable, and comfortable titanium design, offering up to 7 days of battery life.

Oura is the creator of the revolutionary smart ring – Oura Ring – and the world-class personal health application, Oura App. Together, Oura Ring and Oura App provide members with accurate and personalized daily health insights and guidance. The Oura Ring is stylish, accurate, and comfortable – it tracks your sleep, activity, recovery, and much more with advanced sensor technology.

The finger provides the most accurate pulse measurement, making your health data and insights more personal than ever. Oura Ring’s research-grade sensors precisely track over 30 biometrics. Its durable titanium construction, PVD coating, and allergy-friendly design ensure comfort and resilience, making it suitable for all activities, from workouts to evening events.

Experience optimal sleep with in-depth analyses, including sleep stages, blood oxygen saturation, HRV, and nocturnal heart rate, to improve your habits and overall well-being. The Oura Ring also monitors your daily activity, steps, calories burned, and workouts, helping you find a balance between movement and recovery.

Utilize Oura’s Readiness Score, which considers over 30 different body signals like temperature trends, heart rate, HRV, and sleep, to understand when to push yourself and when to rest. Additionally, Oura helps identify signs of stress and how your body manages them, providing insights for self-care and recovery from long-term stressors.

For women’s health, Oura helps you understand how your menstrual cycle affects your mood, sleep, activity, and more, enabling informed decisions about your overall well-being. It tracks body changes during your cycle and can predict your period up to 30 days in advance. The ring also monitors daily heart rate and HRV, estimating your cardiovascular age and capacity to help you care for one of the most important indicators of general health.

The Oura Ring Gen3 Horizon is built for convenience and durability. It is lighter than an average wedding ring, water-resistant up to 100 meters (328 feet), and offers up to 7 days of battery life with a full charge in 20–80 minutes. Its seamless integration with over 40 apps, including Apple Health, Google Health Connect, Natural Cycles, Flo, and Strava, enhances its utility as a comprehensive health tracker.

• High-quality materials: Durable titanium, PVD coating, allergy-friendly

• Battery life: Up to 7 days, full charge in 20–80 minutes

• Water resistance: Up to 100 meters (328 feet)

• Width: 7.9 mm

• Thickness: ~2.9 mm (Oura Ring Gen3 Horizon)

• Weight: 4–6 grams (depending on ring size)

• Compatibility: Oura app available in English, Finnish, Japanese, German, French, Spanish, and Italian; supports metric and imperial systems

• Connectivity: Bluetooth Low-Energy (Bluetooth Smart®), EMF-safe, airplane mode, FCC-certified

• Sleep tracking: In-depth sleep analyses, sleep stages, blood oxygen saturation, HRV, nocturnal heart rate

• Activity tracking: Daily activity, steps, calories burned, workouts

• Readiness score: Considers over 30 body signals (temperature trends, heart rate, HRV, sleep)

• Stress detection: Identifies stress signs and body’s response

• Women’s health: Understands cycle impact, predicts menstruation up to 30 days in advance

• Heart health: Tracks daily heart rate and HRV, estimates cardiovascular age and capacity

• Illness detection: Monitors temperature and heart rate changes for early detection

• Charger included: Yes