ULTRAHUMAN Ring Air Smart Ring Matte Grey Size 5 - Sleep and Fitness Tracker with Heart Rate, HRV, Skin Temperature, 6-Day Battery, 10 ATM Water Resistance UHRA-MG-05-EUL7

The ULTRAHUMAN Ring Air is a smart ring that tracks sleep, fitness, and recovery with clinical-grade precision. Its standout feature is continuous heart rate and HRV monitoring, giving you deep insights into your body's readiness and stress levels.

Advantages

Made from fighter jet grade titanium with a PVD coating, the Ring Air is ultra-light and durable. It offers up to 6 days of battery life and is water resistant up to 100 meters, so you can wear it 24/7 without worry. The ring syncs via Bluetooth Low Energy to the Ultrahuman app, which provides personalized scores for sleep, movement, and recovery.

Suitable for

• Fitness enthusiasts who want accurate workout and recovery tracking
• Anyone looking to improve sleep quality with detailed stage analysis
• Users who prefer a discreet wearable over a wristband or watch
• Swimmers and athletes needing 10 ATM water resistance

Key specifications

• Colour: Matte Grey
• Ring size: US 5 (EU 49.3)
• Material: Fighter jet grade titanium with PVD coating
• Sensors: PPG heart rate sensor, 3-axis accelerometer, 3-axis gyroscope
• Connectivity: Bluetooth Low Energy (BLE)
• Compatibility: iOS 15.0+ and Android 8.0+
• Battery life: Up to 6 days
• Charging time: Approx. 60 minutes
• Water resistance: Up to 100 meters (10 ATM)
• Dimensions: Width 2.8 mm, thickness 2.4 mm
• Health metrics: Heart rate, HRV, skin temperature, sleep stages, calories burned
• Activity tracking: Steps, distance, calories, active minutes, workout detection
• Sleep tracking: Sleep stages (REM, deep, light), sleep score, sleep latency, sleep efficiency
• Recovery tracking: Recovery score, stress monitoring

Recommendations

For optimal accuracy, wear the ring on your index, middle, or ring finger. Ensure a snug fit without being too tight. Sync regularly with the Ultrahuman app to view trends and receive personalized insights.