Ultrahuman Ring AIR Aster Black Size 11 Smart Ring Sleep Tracking

Key Features

• Brand: Ultrahuman
• Product: Ring AIR
• Model: Aster Black
• Size: 11 (sizing kit recommended for accurate fit)
• Tracking: Sleep, activity, heart rate, heart rate variability, stress, movement, recovery
• Women's Health: Ovulation, cycles, pregnancy insights with biomarker-based guidance
• App: Comprehensive data with no subscription required
• Sleep Tracking: Detailed sleep stages and sleep debt insights

Description

The Ultrahuman Ring AIR provides extensive health and fitness tracking in a discreet wearable. Sizes are available from five to fourteen; sizing should be confirmed with the Ultrahuman Sizing Kit prior to purchase to ensure a secure, comfortable fit. The Ring AIR measures a broad range of metrics to help monitor sleep, activity, stress, heart health, and recovery. Advanced women's health features track cycles, ovulation, and pregnancy with biomarker-based guidance. All essential tracking is accessible through the Ultrahuman App with no subscription required for core features, including sleep, HR, HRV, skin temperature, and recovery insights. The device offers detailed sleep stage data (REM, Deep, Light, Wake) plus actionable recommendations to optimize rest.