Meet the Ultrahuman Ring AIR, your 24/7 health companion forged from premium raw titanium. This size 10 smart ring delivers unparalleled, lab-grade health insights with a sleek and discreet design built for all-day comfort. Go beyond basic tracking. The Ring AIR provides deep analysis of your sleep stages (REM, Deep, Light) to help you optimize your rest and wake up refreshed. Its innovative Dynamic Recovery Score synthesizes heart rate (HR), heart rate variability (HRV), and skin temperature in real-time to show your body’s readiness to perform, updating even after naps or sauna sessions. A unique Movement Index motivates you to stay active, while a dedicated Workout Mode tracks exercise with precision. For holistic health, it offers powerful stress trend analysis and comprehensive women’s health features, including cycle-based insights and trimester-specific guidance in Pregnancy Mode. Crafted from durable, space-grade titanium, the Ring AIR is both an elegant accessory and a powerful health tool. *Important: Ultrahuman ring sizing differs from standard rings. Please use the Ultrahuman Sizing Kit to find your perfect fit before purchase.*