OURA Horizon Smart Ring 3rd Generation Silver US 10

The OURA Horizon Smart Ring is a 3rd generation wearable designed to provide comprehensive health and wellness insights. Crafted from lightweight titanium with a sleek silver finish, this ring combines advanced sensor technology with a minimalist design for 24/7 comfort. It tracks sleep stages, heart rate, activity, skin temperature, and blood oxygen (SpO2) via firmware update, delivering personalized Readiness, Sleep, and Activity Scores. With up to 7 days of battery life and 100-meter water resistance, it is built for daily wear and swimming. Compatible with iOS 15+ and Android 8.0+.

Advantages

Seamless, lightweight design for continuous wear; advanced sleep and recovery tracking; long battery life; water-resistant to 100 meters; no screen distractions.

Suitable for

• Health-conscious individuals seeking detailed sleep and activity analysis
• Users who prefer a discreet, non-screen wearable
• Swimmers and athletes needing water-resistant tracking

Key specifications

• Product Type: Smart Ring
• Generation: 3rd Generation
• Model Series: Horizon
• Ring Material: Titanium
• Finish/Color: Silver
• Ring Size: US 10
• Connectivity: Bluetooth Low Energy (BLE)
• Battery Life: Up to 7 days
• Charging Time: 20-80 minutes
• Water Resistance: 100 meters (330 feet)
• Compatibility: iOS 15 and later, Android 8.0 and later
• Heart Rate Tracking: Resting, Workout, Live
• Sleep Tracking: Stages (REM, Deep, Light), Score, Regularity
• Activity Tracking: Steps, Calories, Active Time, Goal Progress
• Temperature Tracking: Advanced Skin Temperature Sensing
• Blood Oxygen (SpO2): Yes (via firmware update)
• Sensors: PPG (Green & Red LEDs), NTC Temperature Sensor, 3D Accelerometer, Gyroscope
• Data Metrics: Readiness Score, Sleep Score, Activity Score
• Subscription Required: Oura Membership (for full features)
• Design: Seamless, lightweight, minimalist

Recommendations

For optimal performance, pair with the Oura app and consider an Oura Membership to unlock all insights. The ring is not a medical device and should not be used for diagnosis.