---
product_id: 584214686
title: "ULTRAHUMAN Ring AIR - Aster Black - Size 8 - Smart Ring | No Monthly Subscription | Size First with Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker"
brand: "ultrahuman"
price: "€ 464.50"
currency: EUR
in_stock: true
reviews_count: 13
category: "Ultrahuman"
url: https://www.desertcart.fr/products/584214686-ultrahuman-ring-air-aster-black-size-8-smart-ring-no
store_origin: FR
region: France
---

# 6 days battery life Water resistant up to 100m Space-grade titanium build ULTRAHUMAN Ring AIR - Aster Black - Size 8 - Smart Ring | No Monthly Subscription | Size First with Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker

**Brand:** ultrahuman
**Price:** € 464.50
**Availability:** ✅ In Stock

## Summary

> 💍 Elevate your wellness game with the ring that knows you best.

## Quick Answers

- **What is this?** ULTRAHUMAN Ring AIR - Aster Black - Size 8 - Smart Ring | No Monthly Subscription | Size First with Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker by ultrahuman
- **How much does it cost?** € 464.50 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/584214686-ultrahuman-ring-air-aster-black-size-8-smart-ring-no)

## 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

- • **Recovery Reimagined:** Real-time Dynamic Recovery Score blends HR, HRV, and skin temperature to guide your rest and boost performance.
- • **Move More, Stress Less:** Dynamic Movement Index and Workout Mode monitor your heart rate and calories, empowering smarter fitness decisions.
- • **Perfect Fit, Every Time:** Size First approach with a dedicated sizing kit ensures your Ultrahuman Ring AIR fits flawlessly, avoiding any guesswork.
- • **Sleek, Durable & Discreet:** Crafted from space-grade titanium, ultra-lightweight and water resistant, it’s the smart ring that fits your lifestyle seamlessly.
- • **Sleep Smarter, Live Better:** Track REM, Deep, Light sleep stages with actionable insights to optimize your rest and wake up refreshed.

## Overview

The Ultrahuman Ring AIR is a cutting-edge smart ring designed for professionals who demand precision health tracking without bulk. Featuring a space-grade titanium body, it offers up to 6 days of battery life on a quick 2-hour charge, tracks sleep stages, heart rate, activity, and recovery metrics, and supports women’s health cycle insights. Water resistant up to 100m and available in 10 sizes, it combines minimalist style with powerful biometric intelligence—no subscription fees required.

## Description

Product Description Ultrahuman Ring AIR Understand Your Sleep Quality & Quantity Understand Your Day-to-Day by Cycle Tracking Decode How Your Body Responds to Stress Know When to Push or When to Pause Track Your Journey of Pregnancy Week-by-Week Space-Grade Titanium Up to 6 Days Battery Life No Distractions As Light as 2.4 gms Designed for Comfort Water Resistant up to 100m

Review: Excellent health insights, comfortable to wear and great battery life - I recently started using the Ultrahuman Ring and my experience so far has been very positive. Quick Highlights: Very lightweight and comfortable to wear, especially during sleep. Excellent analytics and health insights in the Ultrahuman app. Automatic nap detection works very well. Battery lasts around 4 days on a full charge. One of the biggest advantages for me is that I no longer need to wear a smartwatch during sleep. The ring is lightweight, comfortable, and hardly noticeable while sleeping. The analytics and insights provided in the Ultrahuman app are top class. The level of detail around sleep quality, recovery, HRV, movement, and overall health metrics is very impressive. It actually takes some time to fully understand all the insights and how to use them to improve different health parameters, and I feel it will take me a couple of weeks to explore everything properly. Another feature I really liked is the automatic nap detection. Even if I sleep for a short time during the day, the ring detects the nap automatically and records it in the app, which contributes to the overall sleep analysis and sleep score. The battery life is also very good. Once fully charged, I do not need to worry about charging it for around four days, which makes it very convenient for daily use. Overall, it is a great product and a very useful addition for anyone who wants to improve their health routine and understand their body better.
Review: Frustrating Experience with Ultrahuman Ring Air - I have been using the Ultrahuman Ring Air for a few months. The ring design, comfort, and tracking experience were good initially, but recently the device completely stopped connecting and syncing with the app. I followed all troubleshooting steps suggested by the app and support team, including reset procedures, but the issue still remains unresolved. What is more disappointing is that even after raising a warranty support request and sharing the invoice and device details, I still have not received a proper response or resolution from customer care. For a premium-priced smart wearable, both device reliability and after-sales support should be much better. Currently disappointed with: - Connectivity reliability - Delay in customer support response - Lack of timely resolution I hope the team responds soon and improves the overall customer support experience.

## 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CHF6BZ9H |
| Age Range Description | Adult |
| Band Color | Matte Black |
| Band Material Type | Titanium |
| Battery Average Life | 6 Days |
| Battery Capacity | 24 |
| Battery Cell Type | Lithium Ion |
| Battery Charge Time | 120 Minutes |
| Best Sellers Rank | #3,931 in Electronics ( See Top 100 in Electronics ) #5 in Rings |
| Box Contents | Charging Dock, Type C to Type C Cable, Ultrahuman Ring AIR |
| Brand Name | ULTRAHUMAN |
| Case Material Type | Titanium |
| Clasp Type | Buckle |
| Closure Type | Buckle |
| Colour | Aster Black |
| Communication Feature | Bluetooth, Wi-Fi |
| Compatible Devices | Smartphone, Tablet |
| Compatible Phone Models | Android Devices, iOS Devices |
| Connectivity Technology | Bluetooth |
| Controller Type | Touch control |
| Country of Origin | India |
| Customer Reviews | 3.2 out of 5 stars 996 Reviews |
| Display Type | No Display |
| GPS Geotagging Functionality | No GPS |
| Global Trade Identification Number | 08908022329524 |
| Human Interface Input | Unknown |
| Importer Contact Information | Ultrahuman, Ultrahuman Healthcare PVT LTD, No. 4088/799, Third Floor, V K Paradise Sector-2HSR Layout, Bangalore Karnataka 560102 India, Contact - 18001028693, cyborg@ultrahuman.com |
| Item Dimensions | 7.5 x 14 x 18 Centimeters |
| Item Type Name | Smart Ring |
| Item Weight Unit of Measure | 2.86 Grams |
| Language | French |
| Manufacturer | Ultrahuman Healthcare Pvt Ltd, Ultrahuman, Ultrahuman Healthcare PVT LTD, No. 4088/799, Third Floor, V K Paradise Sector-2HSR Layout, Bangalore Karnataka 560102 India, Contact - 18001028693, cyborg@ultrahuman.com |
| Manufacturer Contact Information | Ultrahuman, 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, Sleep Duration, Body Temperature, Blood Oxygen Monitor |
| Model Name | Ultrahuman Ring AIR |
| Model Number | UHRA-MG-14 |
| Operating System | Android |
| Packer Contact Information | Ultrahuman, Ultrahuman Healthcare PVT LTD, No. 4088/799, Third Floor, V K Paradise Sector-2HSR Layout, Bangalore Karnataka 560102 India, Contact - 18001028693, cyborg@ultrahuman.com |
| Product Features | Activity Tracker, Body Temperature Monitor, Heart Rate Monitor, Oxymeter (SpO2), Sleep Monitor |
| RAM Memory Installed | 0.5 MB |
| Resolution | 240 x 240 |
| Shape | Round |
| Special Feature | Activity Tracker, Body Temperature Monitor, Heart Rate Monitor, Oxymeter (SpO2), Sleep Monitor |
| Sport Type | Running |
| Style Name | Ultrahuman Ring AIR |
| Supported Application | Calorie Tracker, Fitness Tracker, Heart Rate Monitor, Pedometer, Sleep Monitor |
| Supported Satellite Navigation System | GPS |
| Target Audience | Unisex Adults |
| Warranty Description | 1 Year Warranty |
| Warranty Type | Limited |
| Water Resistance Depth | 100 Metres |
| Water Resistance Level | Water Resistant |
| Waterproof Rating | IPX8 |
| Wearable Computer Type | Smart Ring |
| Wireless Communication Standard | Bluetooth |
| Wireless Compability | Bluetooth |
| Wireless Provider | du |

## Product Details

- **Operating System:** Android
- **Memory Storage Capacity:** 0.5 MB
- **Special Feature:** Activity Tracker, Body Temperature Monitor, Heart Rate Monitor, Oxymeter (SpO2), Sleep Monitor
- **Battery Capacity:** 24
- **Connectivity Technology:** Bluetooth

## Images

![ULTRAHUMAN Ring AIR - Aster Black - Size 8 - Smart Ring | No Monthly Subscription | Size First with Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Image 1](https://m.media-amazon.com/images/I/71Nk9O+MkfL.jpg)
![ULTRAHUMAN Ring AIR - Aster Black - Size 8 - Smart Ring | No Monthly Subscription | Size First with Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Image 2](https://m.media-amazon.com/images/I/718l+QNyJaL.jpg)
![ULTRAHUMAN Ring AIR - Aster Black - Size 8 - Smart Ring | No Monthly Subscription | Size First with Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Image 3](https://m.media-amazon.com/images/I/811FG0YrDhL.jpg)
![ULTRAHUMAN Ring AIR - Aster Black - Size 8 - Smart Ring | No Monthly Subscription | Size First with Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Image 4](https://m.media-amazon.com/images/I/81D7+8oo2eL.jpg)
![ULTRAHUMAN Ring AIR - Aster Black - Size 8 - Smart Ring | No Monthly Subscription | Size First with Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Image 5](https://m.media-amazon.com/images/I/81G-cAbtdnL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent health insights, comfortable to wear and great battery life
*by C***U on 14 March 2026*

I recently started using the Ultrahuman Ring and my experience so far has been very positive. Quick Highlights: Very lightweight and comfortable to wear, especially during sleep. Excellent analytics and health insights in the Ultrahuman app. Automatic nap detection works very well. Battery lasts around 4 days on a full charge. One of the biggest advantages for me is that I no longer need to wear a smartwatch during sleep. The ring is lightweight, comfortable, and hardly noticeable while sleeping. The analytics and insights provided in the Ultrahuman app are top class. The level of detail around sleep quality, recovery, HRV, movement, and overall health metrics is very impressive. It actually takes some time to fully understand all the insights and how to use them to improve different health parameters, and I feel it will take me a couple of weeks to explore everything properly. Another feature I really liked is the automatic nap detection. Even if I sleep for a short time during the day, the ring detects the nap automatically and records it in the app, which contributes to the overall sleep analysis and sleep score. The battery life is also very good. Once fully charged, I do not need to worry about charging it for around four days, which makes it very convenient for daily use. Overall, it is a great product and a very useful addition for anyone who wants to improve their health routine and understand their body better.

### ⭐ Frustrating Experience with Ultrahuman Ring Air
*by P***R on 8 May 2026*

I have been using the Ultrahuman Ring Air for a few months. The ring design, comfort, and tracking experience were good initially, but recently the device completely stopped connecting and syncing with the app. I followed all troubleshooting steps suggested by the app and support team, including reset procedures, but the issue still remains unresolved. What is more disappointing is that even after raising a warranty support request and sharing the invoice and device details, I still have not received a proper response or resolution from customer care. For a premium-priced smart wearable, both device reliability and after-sales support should be much better. Currently disappointed with: - Connectivity reliability - Delay in customer support response - Lack of timely resolution I hope the team responds soon and improves the overall customer support experience.

### ⭐⭐⭐⭐⭐ The Most Seamless Way to Track Sleep and Recovery
*by S***H on 17 March 2026*

After using couple of trackers (Amazfit, AppleWatch, PixelWatch), I thought to switch to a device that I can wear easily while sleeping. I found Ultrahuman ring air as an option to try, with its minimalist profile and titanium construction, it felt like the right move for 24/7 tracking without the bulk of a traditional smartwatch. After wearing it for a few weeks, I can say it has exceeded my expectations in several key areas. Battery and Build The battery life is good (not super good when you are on turbo mode), easily lasting 4 days on a single charge, which is a massive relief compared to the daily charging routine of most smartwatches. Despite its lightweight feel, the build quality is incredibly robust. It handles daily wear and tear effortlessly, and I never worry about scuffing it during my day-to-day activities. Seamless Tracking What really stands out is how the ring stays out of the way until you need the data. It automatically detects my workouts with surprising accuracy, so I don't have to manually start a session every time I hit the gym or go for a walk. Intuitive Experience The companion app is a highlight as well. It’s very intuitive, presenting complex health metrics like sleep stages and recovery scores in a way that’s easy to understand and act upon. It provides a holistic view of my health without feeling overwhelming. Final Verdict If you are looking for a screen-free way to monitor your health that is comfortable enough to wear overnight and tough enough for any workout, the Ultrahuman Ring Air is a fantastic choice. It has successfully replaced my bulky watches for sleep and recovery tracking.

## Frequently Bought Together

- ULTRAHUMAN Ring
- Oura Ring 4 Sizing Kit - Size Before You Buy Oura Ring 4 - Unique Sizing - Receive Credit for Purchase
- ULTRAHUMAN Ring AIR - Sleep & Fitness Tracker, Smart Ring for Women & Men, No App Fee for Standard Features

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*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-05-22*