Ultrahuman Ring AIR

The world’s lightest smart ring. Sleep Tracker, Fitness & Recovery Tracker, Menstrual & Pregnancy Insights. 
  
SIZE FIRST - Ultrahuman Ring sizes are different from standard ring sizes. Purchase Ultrahuman Sizing Kit first to get the perfect Ring AIR size. Ring AIR is available in 10 sizes from 5-14. 
 
THE RING OF YOUR DREAMS - Ultrahuman Ring AIR is the perfect sleep tracker ring. Along with insights on all your sleep stages—REM, Deep Sleep, Light Sleep and Wakefulness, plus get actionable steps to improve sleep so you're ready for the day.  
 
DESIGNED TO KEEP YOU MOVING - The 'Movement Index' is designed to increase your non-exercise energy usage through the day. With this all-in-one activity and fitness tracker, you can track steps, workouts, and calories for insights into your all-day activity. Workout Tracking is now easy, with a dedicated Workout Mode that tracks Heart Rate during workouts—you can get insights into your cardiovascular response, track intensity levels, and make informed decisions to improve your fitness outcomes.  
 
ENHANCED RECOVERY - Ring AIR is geared to help you recover better, with focused recovery tracking. The 'Dynamic Recovery Score' is derived from a blend of key metrics including heart rate monitoring, Heart Rate Variability (HRV) and skin temperature that track not only sleep but also every aspect of your lifestyle, giving you actionable insights. Designed to evolve with you, Dynamic Recovery will update in real-time when you take naps, sauna sessions or any contributors to enhance your recovery. 

• Up to 6 days of battery life so you can explore the uncharted, uninterrupted. 
• 11x lighter than your typical smartwatch – only 2.4 grams light. 
• Equipped with a PPG sensor, the Ultrahuman Ring AIR empowers you to stay on top of your body's vitals such as heart rate, heart rate variability, blood oxygen saturation and more. 
• Armed with a 6-axis motion sensor, it captures the intricacies of your body's movements with unmatched precision.  
• Precision casted with a hypoallergenic smooth inner shell, Ring AIR curates an unmatched comfort level, enhancing your tranquility during sleep and rest. 
• Strong from the outside. Robustness of fighter jet grade titanium reinforced with tungsten carbide carbon coating for unmatched resilience.