--- product_id: 740753420 title: "Ultrahuman Ring AIR Smart Ring -Track Sleep, HRV & Stress, No subscription" brand: "ultrahuman" price: "FREE" currency: TND in_stock: false reviews_count: 7 url: https://www.desertcart.tn/products/740753420-ultrahuman-ring-air-smart-ring-track-sleep-hrv-and-stress store_origin: TN region: Tunisia --- # 24/7 health monitoring advanced sleep tracking long-lasting battery life Ultrahuman Ring AIR Smart Ring -Track Sleep, HRV & Stress, No subscription **Brand:** ultrahuman **Price:** FREE **Availability:** ❌ Out of Stock ## Summary > πŸ’ Elevate your wellness game with the smart ring that’s as sleek as your lifestyle. ## Quick Answers - **What is this?** Ultrahuman Ring AIR Smart Ring -Track Sleep, HRV & Stress, No subscription by ultrahuman - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/740753420-ultrahuman-ring-air-smart-ring-track-sleep-hrv-and-stress) ## 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€’ **Effortless Comfort:** Ultra-lightweight design ensures all-day and night wearability without any discomfort. - β€’ **Custom Fit Sizing Kit:** Multiple plastic ring sizers included for a perfect, personalized fit right out of the box. - β€’ **No Subscription Needed:** Enjoy full access to powerful health data and insights without recurring feesβ€”your wellness, uninterrupted. - β€’ **Certified Renewed Quality:** Professionally inspected and backed by a 1-year warranty for trusted reliability and sustainability. - β€’ **Precision Health Insights:** Track HRV, sleep, and activity with clinical-grade accuracy to optimize your daily performance. ## Overview The ULTRAHUMAN Ring AIR (Certified Renewed) is a smart ring health tracker designed for men and women, offering precise sleep, heart rate variability, and activity tracking. Certified renewed for quality and backed by a 1-year warranty, it features an ultra-lightweight design and includes a sizing kit for a perfect fit. With no subscription required, it delivers actionable health insights through a user-friendly app, making it an ideal wearable for data-driven wellness enthusiasts. ## Features - ALL-IN-ONE HEALTH INSIGHTS: This smart ring tracks 50+ health metrics, including heart rate, HRV, skin temperature, blood oxygen, stress, movement and recovery, with 20+ workout modes for activity. The all-new Emerald app unifies your data in one view. Built as a discreet health ring for proactive health and wellness, it turns daily patterns into clear, personalised next steps. Compatible with iOS and Android. - DEEPER SLEEP, SMARTER RECOVERY: Use this sleep tracker to see REM, deep and light sleep, wakefulness, sleep debt and overnight temperature trends. Its heart rate monitor and HRV monitor feed your Sleep Index and Dynamic Recovery score, helping you understand when to push or recover. Worn as a comfortable sleep ring, it delivers actionable morning guidance, while Smart Alarm can wake you in a lighter sleep phase. - CYCLE, FERTILITY & PREGNANCY: This smart ring for women uses skin temperature, HRV and heart rate trends to move beyond calendar estimates. Its ovulation tracker and fertility tracker show cycle phase, period predictions, a predicted 7-day fertile window and estimated ovulation day, plus pregnancy insights that adapt by trimester. Discreet and jewellery-like, it blends naturally with the rings for women you already wear. - SMART RING NO SUBSCRIPTION REQUIRED: Sleep, recovery, activity, stress and women's health insights stay available in the Ultrahuman app without any monthly fee. For anyone seeking a fitness tracker without subscription costs, this wellness ring delivers ongoing value through the evolving Emerald app, available on both Android and iOS, and PowerPlugs such as Caffeine Window, Circadian Alignment, Vitamin D and Shift Work; premium add-ons remain optional. - LIGHTWEIGHT TITANIUM, BACKED BY REAL SUPPORT: Starting at 2.4g, this aerospace grade titanium ring pairs a titanium carbide coating with a smooth, hypoallergenic inner shell that sits flush and snag free. Water resistant up to 100m, it is ready for showers, swimming and workouts. Every ring includes a 1 year standard warranty from the date of delivery. The optional UltrahumanX membership adds extended protection, accidental damage and loss coverage, activated within 30 days of ring activation. - FIND YOUR PERFECT FIT BEFORE YOU BUY: This ring uses proprietary sizing across 10 sizes, 5 to 14, which differ from standard jewellery sizes. Order the Ultrahuman Sizing Kit first to confirm your size before purchasing the ring. A correct fit means comfortable 24/7 wear. Available in multiple colours to match your style. ## Technical Specifications | Specification | Value | |---------------|-------| | Additional Features | Activity Tracker, Lightweight, Multisport Tracker, Sleep Tracker | | Age Range Description | Adult | | Asin | B0D7956WT1 | | Band Color | Black | | Band Material Type | Titanium | | Battery Average Life | 6 days | | Battery Capacity | 24 milliamp_hours | | Battery Cell Type | Lithium Polymer | | Battery Charge Time | 2 hours | | Best Sellers Rank | #2,256 in Electronics (See Top 100 in Electronics) #22 in Wearable Tech Rings | | Brand | ULTRAHUMAN | | Built In Media | Charging Dock, Type C to Type C Cable, Ultrahuman Ring AIR | | Case Material Type | Titanium | | Closure Type | Ring | | Color | Matte Black | | Communication Feature | Bluetooth | | Compatible Devices | Smartphone, Tablet | | Compatible Phone Models | Smartphone, Tablet | | Connectivity Technology | Bluetooth | | Controller Type | Ultrahuman App | | Customer Reviews | 4.1 4.1 out of 5 stars (410) 4.1 out of 5 stars | | Display Type | No Display | | Gps Geotagging Functionality | No GPS | | Human Interface Input | Unknown | | Item Type Name | Ultrahuman Ring AIR Sizing Kit | | Item Weight | 3.7 Grams | | Language | German | | Manufacturer | Ultrahuman Healthcare Pvt Ltd | | Manufacturer Contact Information | Ultrahuman Healthcare PVT LTD, No. 4088/799, Third Floor, V K Paradise Sector-2HSR Layout, Bangalore Karnataka 560102 India, Contact - 18001028693, cyborg@ultrahuman.com | | Memory Storage Capacity | 0.5 MB | | Metrics Measured | Heart Rate Monitor | | Model Name | Ultrahuman Ring AIR Sizing Kit | | Model Number | RA-RINGAIR-NL-PARENT-2 | | Operating System | Ultrahuman App | | Ram Memory Installed | 0.5 MB | | Shape | Round | | Sport Type | CrossFit, Cycling, Running, Swimming, Yoga | | Style Name | Minimalist | | Supported Application | Fitness Tracker, HRV Monitor, Heart Rate Monitor, Multisport Tracker, Sleep Tracker | | Target Audience | Men, Unisex Adults, Unisex Youth, Women | | Unit Count | 1 Count | | Warranty Description | 1 year | | Warranty Type | Limited | | Water Resistance Depth | 3 Meters | | Water Resistance Level | Water Resistant | | Waterproof Rating | IPX8 | | Wearable Computer Type | Smart Ring | | Wireless Compability | Bluetooth | ## Product Details - **Battery capacity:** 24 milliamp_hours - **Connectivity technology:** Bluetooth - **Memory storage capacity:** 0.5 MB - **Operating system:** Ultrahuman App - **Special features:** Activity Tracker, Lightweight, Multisport Tracker, Sleep Tracker ## Images ![Ultrahuman Ring AIR Smart Ring -Track Sleep, HRV & Stress, No subscription - Image 1](https://m.media-amazon.com/images/I/61tgSI8YkiL.jpg) ![Ultrahuman Ring AIR Smart Ring -Track Sleep, HRV & Stress, No subscription - Image 2](https://m.media-amazon.com/images/I/81hZg25TZ3L.jpg) ![Ultrahuman Ring AIR Smart Ring -Track Sleep, HRV & Stress, No subscription - Image 3](https://m.media-amazon.com/images/I/7163M1GucVL.jpg) ![Ultrahuman Ring AIR Smart Ring -Track Sleep, HRV & Stress, No subscription - Image 4](https://m.media-amazon.com/images/I/81xwjlZpOIL.jpg) ![Ultrahuman Ring AIR Smart Ring -Track Sleep, HRV & Stress, No subscription - Image 5](https://m.media-amazon.com/images/I/71biKjMyMjL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Ring Air review *by on Reviewed in the United Arab Emirates 23 September 2026* Good analytics on sleep, heart rate, stress, etc. ### ⭐ BATTERY ISSUE *by on Reviewed in the United Arab Emirates 23 September 2026* I dont recommend it to anyone because i used it for 3 months and after then i have battery issues happened. I make the battery full and 2 hours later battery dies again. Its useless. I can not wear it anymore unfortunately. ### ⭐ Not getting connected *by on Reviewed in India 15 October 2026* Not connecting ## Frequently Bought Together - ULTRAHUMAN Ring Air-Smart Ring Activity Tracker, Size First Sizing Kit,Sleep Tracker,Smart Ring for Men/Women,Fitness Tracker (Sizing Kit, Swatch Sizing Kit), Black - Ring Sizer Measuring Tool with Magnifying Glass,Reusable Finger Size Gauge Jewelry Sizing Tool 1-17 USA Rings Size 2Pcs --- ## 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.tn/products/740753420-ultrahuman-ring-air-smart-ring-track-sleep-hrv-and-stress](https://www.desertcart.tn/products/740753420-ultrahuman-ring-air-smart-ring-track-sleep-hrv-and-stress) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-10-27*