ULTRAHUMAN Ring AIR No Subscription Smart Ring, Bluetooth, Size 9 Matte Grey

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, get actionable steps to improve sleep so you're ready for the day. DESIGNED TO KEEP YOU MOVING - '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, Real-time when you take naps, sauna sessions or any contributors to enhance your recovery. FUNCTIONALLY AESTHETIC - The Ultrahuman Ring AIR is forged with space grade titanium. Meticulously designed for enhanced comfort, this sleek device combines minimal form factor with precise performance, enabling users to effortlessly monitor key health indicators such as Sleep, Movement, Heart Rate (HR), Heart Rate Variability (HRV), and skin temperature.