OURA Horizon Smart Ring 3rd Gen Silver US Size 10

The Oura Horizon Smart Ring is a 3rd generation wearable designed to track your sleep, activity, readiness, heart rate, body temperature, and SpO2. Crafted from titanium with a PVD coating, this ring is both durable and stylish. With a battery life of up to 7 days and water resistance to 100 meters, it's built for everyday wear and even swimming. The ring connects via Bluetooth Low Energy to your smartphone (iOS 15+ / Android 8.0+) and stores up to 6 weeks of data. A subscription (Oura Membership) is required for full features, with the first month free.

Advantages

Comprehensive health tracking in a discreet, comfortable ring form factor. The Horizon design offers a sleek, modern look. Long battery life and high water resistance make it suitable for continuous wear, including during sleep and workouts.

Suitable for

• Health-conscious individuals seeking detailed sleep and activity insights
• Users who prefer a non-watch wearable
• Those wanting to monitor readiness, heart rate, and body temperature trends

Key specifications

• Product Type: Smart Ring
• Generation: 3rd Generation
• Design Series: Horizon
• Color: Silver
• Ring Size: US Size 10
• Outer Material: Titanium with PVD coating
• Heart Rate Sensor: Green & Red LEDs (PPG)
• Temperature Sensor: NTC
• Motion Sensor: 3D Accelerometer
• Connectivity: Bluetooth Low Energy (BLE)
• Battery Life: Up to 7 days
• Water Resistance: 100 meters (328 feet)
• Compatibility: iOS 15+ / Android 8.0+
• Data Storage Capacity: 6 weeks
• Charging Time: 20-80 minutes
• Ring Width: 7.9 mm
• Ring Thickness: 2.55 mm
• Subscription Required: Yes (Oura Membership, first month free)
• Processor: Advanced ARM-based

Recommendations

For optimal performance, ensure your smartphone runs iOS 15+ or Android 8.0+. The Oura Membership unlocks personalized insights and recommendations. The ring is not intended for medical use.