OURA JZ90-54219-11 Smart Ring Horizon Silver US 11

The OURA JZ90-54219-11 is a third-generation Horizon smart ring in Silver, designed for comprehensive health and wellness tracking. Crafted from lightweight titanium with a durable PVD coating, this ring offers a sleek, round form factor that is both comfortable and stylish for everyday wear.

Advantages

This smart ring provides 24/7 health monitoring with advanced sensors, including heart rate, SpO2, body temperature, and sleep tracking. With up to 7 days of battery life and 100m water resistance, it is built for continuous use in any environment. The Oura App delivers personalized insights, readiness scores, and activity tracking to help you optimize your daily routine.

Suitable for

• Health-conscious individuals seeking detailed sleep and activity analysis
• Fitness enthusiasts who want a discreet, wearable tracker
• Anyone looking to monitor heart rate variability, body temperature, and overall wellness

Key specifications

• Product Type: Smart Ring
• Generation: 3rd Generation
• Design: Horizon (Round)
• Ring Size: US 11
• Color: Silver
• Material: Titanium with PVD Coating
• Connectivity: Bluetooth Low Energy (BLE)
• Battery Life: 4-7 days
• Charging Time: 20-80 minutes
• Water Resistance: Up to 100m (330ft)
• Compatibility: iOS 15 and later, Android 8.0 and later
• Sensors: PPG (Heart Rate, SpO2), NTC Temperature Sensor, 3D Accelerometer
• Health Metrics: Sleep Stages, Activity, Readiness Score, HRV, Resting Heart Rate, Body Temperature, SpO2
• Subscription: Oura Membership (sold separately) for full features
• App Support: Oura App
• Thickness: 2.55 mm
• Width: 7.9 mm
• Weight: 4-6 grams (approx.)

Recommendations

For optimal performance, pair with the Oura App and consider an Oura Membership to unlock advanced insights. The ring is designed for daily wear and is compatible with most activities, including swimming.