AMAZFIT ULTRAHUMAN Ring Air Smart Ring Space Silver Size 9

Track your sleep, recovery, and daily activity with the ULTRAHUMAN Ring Air, a lightweight smart ring worn on your finger. Ideal for men and women who want continuous health insights without a bulky wearable, it pairs with the Ultrahuman app to deliver personalized metrics and guidance.

Key specifications

• Ring size (US): 9
• Colour: Space Silver
• Material: Fighter-jet grade Titanium with Tungsten Carbide Carbon (TCC) coating; inner lining hypoallergenic epoxy resin
• Water resistance: Up to 100 meters (10 ATM)
• Sensors: Advanced PPG (Red & Green LEDs), skin temperature sensor, 3D accelerometer
• Health tracking: Heart rate, HRV, SpO2, skin temperature, sleep stages, activity, calories, steps
• Performance metrics: Readiness Score, Recovery Score, Movement Index, Sleep Score, Stress Index
• Battery life: Up to 6 days
• Charging: Magnetic charging dock (USB-C), approximately 2-3 hours
• Connectivity: Bluetooth Low Energy (BLE 5.0)
• Compatibility: iOS 15 and above, Android 8 and above
• Dimensions: Thickness 2.45 mm, width 8.1 mm

Why choose it

The Ring Air combines durable titanium construction with advanced sensors to monitor key health metrics day and night. Its slim profile and hypoallergenic inner lining ensure comfort for continuous wear, while the Ultrahuman app translates raw data into actionable scores for recovery, sleep, and stress.

Ideal use cases

• Sleep tracking: Monitor sleep stages, duration, and quality to improve rest.
• Fitness tracking: Record workouts, steps, calories, and active minutes.
• Recovery monitoring: Use readiness and recovery scores to optimize training and avoid overexertion.
• Stress management: Track stress index and HRV to manage daily strain.

Good to know

The ring is water resistant up to 100 meters, suitable for swimming and showering. It charges via a magnetic dock with USB-C, and a full charge lasts up to 6 days. The ring requires the Ultrahuman app, available for iOS 15+ and Android 8+.