Ultrahuman Ring AIR Aster Black - Size 10 Smart Ring

The Ultrahuman Ring Air is a lightweight, space-grade titanium smart ring designed for all-day wear. The ring tracks a broad range of health metrics, including sleep, activity, stress, heart health, movement, workouts, and recovery, and delivers detailed insights through a single app with no subscription. It features cycle-based women’s health insights, including ovulation tracking and Pregnancy Mode for trimester-specific guidance. Available in 10 sizes (US 5–14), the ring’s sizing is best determined with the Ultrahuman Sizing Kit to ensure a comfortable, secure fit. Designed for everyday use, it provides actionable sleep and recovery insights and supports a holistic view of wellness, aligning with active lifestyles and wellness goals.

Features

• Sizing kit helps fit US 5–14 sizes
• Sleep stages: REM, Deep, Light, Wake; tips
• Movement: steps, workouts, calories
• Dynamic Recovery Score from HR, HRV, skin temperature
• Women’s health: cycle tracking, ovulation, Pregnancy Mode
• One app, no subscription; essential wellness metrics