Ultrahuman Ring AIR (Grösse 9)

The ultimate form factor for sleep and recovery tracking.

Unmatched accuracy. Fingers provide more accurate biomarker data than wrists due to higher blood flow and arteriole density.

11 times lighter. Compared to typical smartwatches, it weighs only 2.4 grams.

Ultimate comfort. Crafted with precision, featuring a hypoallergenic smooth inner lining for unmatched comfort and a barely-there feel.

Sleep better than ever before. Discover the key to sleeping better. Get an everyday sleep score that shows how well you've rested. Track your sleep stages, learn what affects your sleep quality, and unlock personalized tools for better nights. Wake up refreshed and ready for anything.

The edge in your recovery game. Dynamic recovery analyzes key physiological markers for a real-time recovery score. Understand how sleep, stress rhythm, skin temperature, and heart rate variability affect your body's restoration. Improve recovery with power naps and breathwork techniques.