ULTRAHUMAN Ring AIR - Brushed Rose Gold - Size 8 - Smart Ring | No Monthly Subscription | Size First with Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Sealed

Product Overview Operating System: Android & IOS Memory Storage Capacity: 0.5 MB Special Feature: Battery Capacity: 24 Connectivity Technology: Bluetooth Product Features SLEEP DECODED EVERY NIGHT - YOUR PERSONAL SLEEP TRACKER RING: This smart ring delivers detailed insights into REM, Deep Sleep, Light Sleep, Wakefulness plus sleep debt tracking — the most comprehensive sleep monitoring device you can wear on your finger. The Dynamic Recovery Score blends heart rate, HRV, skin temperature to tell you when to push hard or take it easy. Actionable nudges improve your sleep quality every night. A true sleep tracking ring & health ring that works while you rest. SIZE FIRST - NO SUBSCRIPTION: ALL features included FREE — sleep, activity, stress, HRV, recovery, and more. No hidden fees, ever. Up to 6 days battery life on a single charge — outlasts most smart rings. Available in 15+ languages. Grab the Sizing Kit first — sizes differ from standard. 10 sizes (5–14). IN THE BOX: Ring AIR, Wireless Charger, USB-C Cable. Available in 6 colours. COMPREHENSIVE HEALTH & FITNESS TRACKING: Track heart rate, HRV, skin temperature, stress, blood oxygen (SpO2), steps, and calories — all from your finger. 20+ workout modes with a dedicated cardiovascular insights mode. This fitness tracker ring works as a heart rate monitor, step tracker, step counter, pedometer, activity tracker, health tracker, and sleep ring — all in one. The smart ring fitness tracker that replaces your fitness watch. Lighter than a coin. WORLD'S LIGHTEST SMART RING - JUST 2.4g: The Ring AIR weighs just 2.4g at only 2.4mm thin — the lightest smart ring for men and smart ring for woman in the world. Forged from space-grade titanium with a hypoallergenic smooth inner lining. Water-resistant to 100m (IP68) — swim, shower, and train without worry. A wearable smart ring, digital ring, fitness ring for men, health rings for men, and fit ring for men — all in one device. Compatible with iOS and Android. No subscription needed. WOMEN'S HEALTH & PREGNANCY MODE - THE SMART RING FOR WOMEN LATEST: Track ovulation, menstrual cycles, and pregnancy with multi-biomarker precision. Predict a 7-day fertile window and pinpoint ovulation. Unique Pregnancy Mode delivers trimester-specific insights for expecting mums — a feature no other fitness ring for women or smart ring for women offers. This smart ring for woman is built for every phase of a woman's life — from cycle tracking to pregnancy and beyond. DYNAMIC RECOVERY & STRESS MONITOR - YOUR HEALTH MONITORING RING: The Dynamic Recovery Score is derived from heart rate monitoring, Heart Rate Variability (HRV), and skin temperature — tracking not just sleep but every aspect of your lifestyle. This ring health tracker and health tracker ring updates recovery in real-time when you nap, take sauna sessions, or do anything that aids recovery. A true health ring and stress monitor that evolves with you daily. DESIGNED TO KEEP YOU MOVING - STEP TRACKER & FITNESS RING: The Movement Index increases your non-exercise energy usage throughout the day. Track steps, workouts, and calories with this all-in-one fitness ring and step tracker. Dedicated Workout Mode tracks heart rate during exercise — get insights into cardiovascular response, intensity levels, and fitness outcomes. This ring tracker and fitness ring for women and men works seamlessly as a smart ring for iPhone and Android. CIRCADIAN ALIGNMENT & POWERPLUGS: Circadian Alignment PowerPlug helps sync your body clock with nature for optimum health. Caffeine Window tells you the best time for your coffee. Screentime Impact tracks how screens affect your sleep. These intelligent PowerPlugs make this sleep monitoring smart ring and sleep tracker far more advanced than other smart rings for men and women. Actionable insights — not just data. FUNCTIONALLY AESTHETIC - SPACE GRADE TITANIUM SMART RING: Forged from space-grade titanium, the Ring AIR combines minimal form with precise performance. This wearable smart ring and digital ring lets you effortlessly monitor Sleep, Movement, Heart Rate, HRV, skin temperature, and stress. Compatible with iOS (smart ring for iPhone) and Android. NFC-enabled. A health ring with up to 6 days battery life, charged fully in just 2 hours. The smart ring designed to be worn 24/7. Product Information Operating System Android & IOS Product Features Activity Tracker, Custom Activity Tracker, HRV Monitoring, Heart Rate Monitor, Multisport Tracker, Sedentary Reminder, Skin Temperature Monitoring, Sleep Monitor, SpO2 Monitor, Wireless Charging GPS Geotagging Functionality No GPS Case Material Type Titanium Water Resistance Level Water Resistant Sport Type Badminton, Cycling, Fitness, Multi-Sports, Swimming, Yoga Human Interface Input Unknown Supported Application Activity Tracker, Custom Activity Tracker, Heart Rate Monitor, Multisport Tracker, Sleep Monitor Water Resistance Depth 100 Metres Language English Metrics Measured Calories Burned, Heart Rate, Sleep Duration, Step Count Shape Round Style Name Ultrahuman Ring AIR Colour Brushed Rose Gold Battery Capacity 24 Battery Cell Type Lithium Polymer Battery Average Life 6 Days Battery Charge Time 2 Hours Compatible Devices Smartphone Item Weight Unit of Measure 0.4 Kilograms Item Dimensions 7.5 x 14 x 18 Centimeters Brand Name ULTRAHUMAN Model Name Ultrahuman Ring AIR Target Audience Unisex Adults Age Range Description Adult Model Number RA-RG-Size8 Box Contents Charging Dock, Type C to Type C Cable, Ultrahuman Ring AIR Warranty Description 1 Year Warranty Wearable Computer Type Smart Ring Manufacturer Ultrahuman Healthcare PVT LTD, AM Chambers, 2nd & 3rd Floor, Survey No 49/1,49/3 Garvebhavipalya, 7th Mile, Hosur Main Road, Bommanahalli, Bangalore, Bangalore South, Karnataka, India, 560068, Ultrahuman Healthcare Pvt Ltd Packer Contact Information Ultrahuman Healthcare PVT LTD, AM Chambers, 2nd & 3rd Floor, Survey No 49/1,49/3 Garvebhavipalya, 7th Mile, Hosur Main Road, Bommanahalli, Bangalore, Bangalore South, Karnataka, India, 560068 Unit Count 1 Count Manufacturer Contact Information Ultrahuman Healthcare PVT LTD, AM Chambers, 2nd & 3rd Floor, Survey No 49/1,49/3 Garvebhavipalya, 7th Mile, Hosur Main Road, Bommanahalli, Bangalore, Bangalore South, Karnataka, India, 560068 Country of Origin India Importer Contact Information Ultrahuman Healthcare PVT LTD, AM Chambers, 2nd & 3rd Floor, Survey No 49/1,49/3 Garvebhavipalya, 7th Mile, Hosur Main Road, Bommanahalli, Bangalore, Bangalore South, Karnataka, India, 560068 Item Type Name Smart Ring Best Sellers Rank ASIN B0DMWFTNSY Customer Reviews Connectivity Technology Bluetooth Wireless Compability Bluetooth Memory Storage Capacity 0.5 MB Warranty Type Limited Waterproof Rating IPX7