--- product_id: 726688155 title: "Ultrahuman Ring AIR, No App Subscription Required, Smart Ring with Sizing Kit for Initial Fit, Tracks Sleep, Activity, Heart Rate, and Heart Rate Variability, Up to 6 Days of Battery Life" brand: "ultrahuman" price: "€ 716.75" currency: EUR in_stock: false category: "Ultrahuman" url: https://www.desertcart.at/products/726688155-ultrahuman-ring-air-no-app-subscription-required-smart-ring-sizing store_origin: AT region: Austria --- # 24+ hour fit test 5 stylish color options 10 precise ring sizes Ultrahuman Ring AIR, No App Subscription Required, Smart Ring with Sizing Kit for Initial Fit, Tracks Sleep, Activity, Heart Rate, and Heart Rate Variability, Up to 6 Days of Battery Life **Brand:** ultrahuman **Price:** € 716.75 **Availability:** ❌ Out of Stock ## Summary > πŸ“ Find your perfect fit, flaunt your style, and track your health like a pro. ## Quick Answers - **What is this?** Ultrahuman Ring AIR, No App Subscription Required, Smart Ring with Sizing Kit for Initial Fit, Tracks Sleep, Activity, Heart Rate, and Heart Rate Variability, Up to 6 Days of Battery Life by ultrahuman - **How much does it cost?** € 716.75 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/726688155-ultrahuman-ring-air-no-app-subscription-required-smart-ring-sizing) ## Best For - ultrahuman enthusiasts ## Why This Product - Trusted ultrahuman brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Comfort That Lasts:** Snug fit ensures the ring won’t spin, delivering maximum data accuracy and all-day wearability. - β€’ **Style Meets Substance:** Choose from 5 sleek colors like Raw Titanium and Bionic Gold to match your personal brand. - β€’ **Perfect Fit, Every Time:** Try on 10 exact sizes to nail your Ring AIR fit before you buyβ€”no guesswork, no returns. - β€’ **Smart Sizing, Smarter Purchase:** Use the sizing kit’s 24-hour wear test to confidently select your perfect smart ring size. - β€’ **Wear It Right, Track It Better:** Recommended on index, middle, or ring finger for optimal comfort and advanced health insights. ## Overview The ULTRAHUMAN Ring Air Sizing Kit offers 10 precise ring sizes and 5 color options to help you find your perfect smart ring fit. Designed for comfort and accuracy, the kit encourages a 24-hour wear test to ensure optimal sizing before purchase. Ideal for advanced sleep and fitness tracking, this sizing kit eliminates guesswork and returns, empowering you to confidently select your ULTRAHUMAN Ring AIR. ## Description desertcart.co.jp: Ultrahuman Ring AIR, No App Subscription Required, Smart Ring with Sizing Kit for Initial Fit, Tracks Sleep, Activity, Heart Rate, and Heart Rate Variability, Up to 6 Days of Battery Life (5, Aster : Sports & Outdoors ## Features - Please choose the appropriate size: Available in 10 sizes, from 5 to 14. Order the Ultrahuman Ring AIR sizing kit on desertcart to find your ideal fit. - The sleep score is obtained to help understand various sleep stages, including deep sleep, REM sleep, light sleep, and wakefulness.During the different stages of sleep, various metabolic processes in the body occur for growth, repair, recovery, and maintenance. - It is designed to support movement throughout the day, enabling improvements in movement metrics, metabolism, and cardiovascular function.It tracks steps, calories, metabolic equivalent (MET), and more. - The recovery score provides insights into the various signals your body sends throughout the day, helping you gain a deeper understanding of your body’s needs.This is derived from a combination of key metrics such as heart rate variability (HRV), heart rate, and the interpretation of signals sent by the body, allowing you to monitor overall health. - Available in 15 languages: The Ultrahuman app is now available in English, French, Thai, Chinese, Malay, Indonesian, Czech, Japanese, Korean, German, Spanish, Italian, Swedish, Portuguese, and Russian. ## Images ![Ultrahuman Ring AIR, No App Subscription Required, Smart Ring with Sizing Kit for Initial Fit, Tracks Sleep, Activity, Heart Rate, and Heart Rate Variability, Up to 6 Days of Battery Life - Image 1](https://m.media-amazon.com/images/I/71Nk9O+MkfL.jpg) ![Ultrahuman Ring AIR, No App Subscription Required, Smart Ring with Sizing Kit for Initial Fit, Tracks Sleep, Activity, Heart Rate, and Heart Rate Variability, Up to 6 Days of Battery Life - Image 2](https://m.media-amazon.com/images/I/718l+QNyJaL.jpg) ![Ultrahuman Ring AIR, No App Subscription Required, Smart Ring with Sizing Kit for Initial Fit, Tracks Sleep, Activity, Heart Rate, and Heart Rate Variability, Up to 6 Days of Battery Life - Image 3](https://m.media-amazon.com/images/I/811FG0YrDhL.jpg) ![Ultrahuman Ring AIR, No App Subscription Required, Smart Ring with Sizing Kit for Initial Fit, Tracks Sleep, Activity, Heart Rate, and Heart Rate Variability, Up to 6 Days of Battery Life - Image 4](https://m.media-amazon.com/images/I/81D7+8oo2eL.jpg) ![Ultrahuman Ring AIR, No App Subscription Required, Smart Ring with Sizing Kit for Initial Fit, Tracks Sleep, Activity, Heart Rate, and Heart Rate Variability, Up to 6 Days of Battery Life - Image 5](https://m.media-amazon.com/images/I/81G-cAbtdnL.jpg) ## Available Options This product comes in different **Color, Size** options. --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.at/products/726688155-ultrahuman-ring-air-no-app-subscription-required-smart-ring-sizing](https://www.desertcart.at/products/726688155-ultrahuman-ring-air-no-app-subscription-required-smart-ring-sizing) --- *Product available on Desertcart Austria* *Store origin: AT* *Last updated: 2026-07-19*