Ultrahuman Ring Air smart ring Space Silver maat 14 – fitness- & slaaptracker

The Ultrahuman Ring Air is a smart ring that tracks sleep, activity, and recovery with lab-grade accuracy in a lightweight titanium design. Its standout capability is continuous health monitoring without a screen, providing deep insights into your body's readiness and circadian rhythm.

Advantages

Ultra-light titanium shell with medical-grade resin inner lining ensures all-day comfort. Tracks sleep stages, heart rate, HRV, SpO2, and skin temperature. Up to 6 days battery life with wireless charging. 10 ATM water resistance for swimming and showering. No subscription required for core features.

Suitable for

• Athletes and fitness enthusiasts seeking recovery insights
• Anyone wanting discreet 24/7 health tracking
• Users of iOS 15+ or Android 8+ smartphones
• Those who prefer a ring over a wristband or watch

Key specifications

• Material: Titanium outer shell, medical-grade resin inner lining
• Sensors: PPG heart rate, skin temperature, 3-axis accelerometer
• Connectivity: Bluetooth Low Energy 5.0
• Battery life: Up to 6 days, 45-60 minutes charging time
• Water resistance: 10 ATM (100 m)
• Dimensions: 2.45 mm thick, 8.1 mm wide
• Ring size: US 14
• Colour: Space Silver

Recommendations

Pair with the Ultrahuman app to unlock Movement Index, Sleep Index, and Recovery Score. Ideal for optimising training, sleep, and daily readiness without intrusive notifications.