Ultrahuman Ring AIR Aster Black Size 6 Sleep Heart Rate Tracker

Key Features

• Brand: Ultrahuman
• Model: Ring AIR
• Color: Aster Black
• Size: 6 (Sizing Kit recommended to ensure correct fit)
• Health Tracking: Sleep stages, activity, stress, heart rate, heart rate variability, skin temperature, movement, recovery
• Women’s Health Insights: Ovulation, cycles, pregnancy mode, fertility windows
• App: All features available on Ultrahuman App with no subscription required
• Sleep Insight: Detailed sleep stages with actionable guidance and sleep debt tracking

Product Description

The Ultrahuman Ring AIR provides comprehensive health tracking with a focus on sleep, activity, heart metrics, and recovery. To ensure a precise fit, purchase the Ultrahuman Sizing Kit first; sizing covers 10 sizes (5–14) for a secure, comfortable wear. This model includes women’s health features for cycle and pregnancy insights, alongside standard biometric tracking. All essential data is accessible through the Ultrahuman App without a subscription, including sleep stage breakdowns and personalized nudges to improve rest and performance.