Ultrahuman Ring AIR Aster Black Size 9 Smart Ring Sleep Tracking

Key Features

• Brand: Ultrahuman
• Product: Ring AIR
• Model: Aster Black
• Size: 9 (Sizing Kit recommended for accurate fit)
• Health Metrics: Sleep, activity, stress, heart rate, heart rate variability, skin temperature, recovery
• Women’s Health: Ovulation, cycles, pregnancy insights and cycle tracking
• App: Ultrahuman App with no subscription required for core features
• Sleep Tracking: Detailed sleep stages including REM, Deep, Light, and Wakefulness

Sizing and Fit

• Purchase the Ultrahuman Sizing Kit first to determine true ring size. The Ring AIR is available in 10 sizes (5–14).
• Accurate sizing helps reduce returns and ensures a secure, comfortable fit.

Compatibility and Use

• Compatible with Ultrahuman App for comprehensive health insights and tracking
• Tracks daily activity, sleep, stress, heart health, and recovery to support performance goals

The Ultrahuman Ring AIR delivers in-depth biometric data and personalized guidance across multiple health domains, with specialized features for women's health and cycle tracking. All core metrics are accessible through the Ultrahuman App without a subscription.