Ultrahuman Ring AIR Bionic Gold Size 13 Sleep Tracking Heart Rate

Key Features

• Brand: Ultrahuman
• Product: Ring AIR with Bionic Gold finish
• Size: Size 13 (10 sizes available; sizing kit recommended to determine fit)
• Subscription: No monthly subscription required for core features
• Health Tracking: Sleep, activity, stress, heart health, movement, workouts, and recovery insights
• Sleep Tracking: Detailed sleep stages and sleep debt insights
• Women’s Health: Ovulation, cycles, and pregnancy tracking with biomarker guidance
• App: Ultrahuman App supports all features without ongoing fees

Important Sizing Note

Ultrahuman Ring sizes differ from standard ring sizes. Purchase the Ultrahuman Sizing Kit first, which includes a ring sizer, to accurately determine your size. The Ring AIR is available in ten sizes (5–14) for a secure, comfortable fit. Using the sizing kit helps minimize returns.

Specifications

• Material: Bionic Gold finish
• Compatibility: Ultrahuman App
• Health Metrics: Sleep stages (REM, Deep, Light, Wake), HR, HRV, skin temperature, activity, recovery
• Usage: Wearable sleep and fitness tracker with biomarker-based insights

Note: This description covers features and capabilities of the Ultrahuman Ring AIR and sizing guidance. No medical claims are made.