Ultrahuman Ring PRO Smart Ring Size 5 - Aster Black

Highlights

• SIZE FIRST BEFORE YOU BUY: Ultrahuman Ring sizes are different from standard ring sizes. Order the Ring PRO Sizing Kit first to find your perfect fit. Available in 10 sizes from 5-14. Sizes same as the Ultrahuman Ring AIR.
• 15 DAYS OF BATTERY LIFE: The ring redefines battery life and lasts up to 15 days. Pair it with the PRO Charger and you get up to 45 days of combined battery life – the longest in any smart ring system.
• ACTIONABLE HEALTH TRACKING: Unlock a deep understanding of your body without a mandatory subscription – Ring PRO offers precision health tracking with actionable insights so that your data doesn't just sit on your dashboard, it evolves with every change you make.
• JADE: REAL-TIME BIOINTELLIGENCE AI: Jade turns your health data into a conversation. Ask what's happening, why it matters, and what to do next instead of interpreting dashboards. It connects Ring PRO with 120+ Blood Vision biomarkers, CGM glucose trends, and Ultrahuman Home environmental data for rich insights. Use Standard mode for quick answers and Deep Research mode for long-term health analysis.
• COMPREHENSIVE SLEEP TRACKING & DAILY REPORTS: Sleep Index breaks down exactly how you slept (Total Duration, REM, Deep, and Light Stages), Resting Heart Rate, and restfulness for a full picture of how well your body rested overnight and what to do to improve it.
• STRESS MONITORING AGAINST YOUR BODY CLOCK: Stress Rhythm tracks how your heart responds across the day, mapped against your circadian rhythm for a clear and continuous read of your state. Understand if you're stimulated, relaxed, or stressed and decide the day's load on your system.
• CYCLE & OVULATION TRACKING: Cycle tracking, ovulation prediction and confirmation, unique Cycle Flags, and pregnancy insights – all powered by your ring data. The Women's Health PowerPlug gives you a proactive, personalized view of your reproductive health across every phase.
• RECOVERY THAT ADAPTS IN REAL-TIME: Dynamic Recovery reads your readiness moment to moment using Heart Rate Variability (HRV), skin temperature, and heart rate. It recalibrates your score as you take action so you always know when to push and when to pause.
• PERFORMANCE BY DESIGN: Ring PRO features a unibody architecture made with fighter jet-grade titanium long-term durability. Featuring BLE 5.3 for stable connectivity, on-chip ML for faster processing, and water resistance up to 100m – this is precision engineering you can wear every day.
• BUILT TO MOVE WITH YOU: Not just any charging case. The PRO Charger features Find My Case with built-in speaker and proximity guidance, smart indicator lights for both ring and case battery levels, an embedded haptic and audio feedback system.
• OFF THE GRID DATA STORAGE: Ring PRO stores up to 250 days of health data directly on the device, and up to 1 year on the PRO Charger. Take on your adventures or anywhere without connectivity – your data is safe and waiting when you return.
• POWER YOUR PERFORMANCE: Ring PRO powers through UltraSnap Charging Technology, an energy-efficient mechanism engineered to reduce heat compared to standard wireless charging and preserve the long-term performance of the battery.
• POWERPLUGS FOR PERSONALIZED INSIGHTS: Supercharge and personalize your Ring PRO experience with a whole library of micro-tools built on top of Ultrahuman's health and wellness data stack. Designed for highly personalized health insights, you can now tailor health tracking to your unique needs and goals.