The Ultrahuman AIR Smart Ring is a sleek, comfortable smart ring that tracks your sleep, recovery, and activity. With up to 6 days of battery life, it delivers real-time insights and gentle nudges to help you make smarter health choices every day, empowering you to optimize your performance, wellness, and recovery effortlessly. The ultimate fusion in ring durability: The outer shell is made from Space-Grade Titanium reinforced with Tungsten Carbide Carbon coating, making it resistant to everyday wear and tear. The inner of the ring is coated with medical-grade hypoallergenic epoxy resin, making it comfortable to wear at all times. No subscription costs: No mandatory subscriptions needed to use the Ultrahuman Ring AIR and its App with lifetime access to all data. Wake up to your sleep insights: The Sleep Index, intelligently designed to be your sole metric for sleep health, assesses your total sleep duration, resting heart rate, and restfulness, creating a comprehensive picture of your sleep quality. Temperature tracking: Skin temperature is vital for measuring your body's physiological states and responses to various factors, including exercise, stress, and illness. Dive deep, worry free: With water resistance up to 330 feet, revel in beachside frolic or dive into the pool. The Ring AIR is just as at home in water as it is on land. Stimulant window recommender: A game-changer for all caffeine enthusiasts, this capability helps you make smarter choices about your stimulant consumption. Break down your day into favorable times in which you can consume stimulants to enhance your productivity. Women's Health: Ring AIR comes with cutting-edge capabilities tailored for women's health, providing personalized insights into each phase of the menstrual cycle by correlating it with various biomarkers. Additionally, it offers pregnancy insights designed for expecting mothers, enabling them to seamlessly track their biomarkers' correlation with trimester progression through individually tailored scores. Weight: .01 Pounds Water Resistance: Water-Resistant Connection Type: No Wired Connection Ports Includes: Charging/Docking Station, Instructions, Charging Cable Operating System Compatibility: Android, Apple iOS Wireless Technology: Bluetooth Activities tracked: Caffeine Intake, Running, Swimming, Strength Training Maximum Battery Charge Life: 144 Hours Metrics Measured: Active Minutes, Sleep Duration, Sleep Quality, Heart Rate, Body Temperature, Blood Oxygen Level (SpO2), Menstruation, Stress Level, Sleep Interruptions, Sleep Stages, Ovulation Material: Tungsten Carbide, Epoxy, Titanium Battery: 1 Non-Universal Lithium Ion, Required, Non-Removable What's in the box Ultrahuman Ring AIR Wireless charging dock Type-C to Type-C cable Size Length Width Height Weight 5 7.1 5.6 2.9 0.9 6 7.1 5.7 2.8 0.9 7 7.2 5.6 2.8 0.9 8 7.2 5.7 2.8 0.85 9 7.1 5.7 2.8 0.9 10 7.1 5.6 2.8 0.9 11 7.2 5.7 2.8 0.9 12 7.1 5.6 2.8 0.9 13 7.2 5.6 2.9 0.9 14 7.1 5.7 2.9 0.9
