Size first before purchase – ULTRAHUMAN ring sizes are different from standard ring sizes. Buy a ring size set first, wear it overnight and buy the perfect Ring AIR size for you. Ring AIR is available in 10 sizes from 5–14. Sleep index – The Ring AIR has been designed to help you understand the different sleep stages such as deep sleep, REM sleep, light sleep and wakefulness, and helps you understand the different metabolic processes of the body that occur for growth, repair, restoration and maintenance. Intelligently designed to be your single metric for sleep health, it assesses your total sleep time, resting heart rate and rest to create a comprehensive picture of your sleep quality. Movement index – With the right nudges and biofeedback, it helps you stay active and optimised for better cardiovascular function. Designed to help you move more often, the Ring AIR also helps you track your steps, calories and workouts. Recovery score – Get insights into different recovery signals that your body sends throughout the day to allow a deeper understanding of its needs. It is derived from a mix of key metrics, including heart rate variability (HRV) and skin temperature, which interpret your body's signals and allow you to monitor your overall well-being. Training tracking – The ULTRAHUMAN Ring AIR has a special ‘workout mode’ that records different activities and gives you a deeper insight into your overall training metrics. By recording your heart rate during exercise, you can gain insight into your cardiovascular response, track intensity and make informed decisions to improve your fitness results. Recommendation for stimulation window – This feature is a game-changer for all caffeine enthusiasts and helps you make smarter decisions about your stimulant consumption. Divide your day into favourable times when you can consume stimulants to increase your productivity. Alignment of the circadian phase – Learn about various findings, such as temperature minimisation, adjust your lifestyle and optimise your sleep–wake rhythm to improve cognitive function, energy levels and hormone balance, with timely, actionable impulses for sunlight and exercise to shift your sleep rhythm sooner.

Technical Details Age Range: ‎Adult Color: ‎Aster Black Size: ‎5 Style: ‎Ring AIR Team: ‎ULTRAHUMAN Compatible with: ‎Smartphone, Tablet Display Type: ‎No Display Shape: ‎Round Material Type: ‎Titanium Meter: ‎Blood oxygen (SpO2), Body temperature, Heart rate, Pedometer, Sleep duration: Number of Items: ‎1 Features: ‎Activity Tracker, Custom Activity Tracker, Heart rate monitor, Multisport Tracker, Sleep monitor Sport: ‎Fitness Wattage: ‎37 Watt Hours Included Components: ‎Charging Cable, User Manual Batteries Included?: ‎Yes Battery Type: ‎Lithium-ion Brand: ‎ULTRAHUMAN Department: ‎Unisex Manufacturer: ‎Ultrahuman Healthcare Pvt Ltd Language: ‎Italian Item model number: ‎UHRA-AA-05 Product Dimensions: ‎1.6 x 0.81 x 1.6 cm; 2.4 g ASIN: ‎B0CLB6K74J Additional Information Batteries: 1 Lithium Polymer batteries required. (included) Date First Available: 31 Oct 2023