---
product_id: 734451577
title: "ULTRAHUMAN Ring AIR - Smart Ring | No Monthly Subscription | Size First with Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker"
brand: "ultrahuman"
price: "0 zł"
currency: PLN
in_stock: false
reviews_count: 13
url: https://www.desertcart.pl/products/734451577-ultrahuman-ring-air-smart-ring-no-monthly-subscription-size-first
store_origin: PL
region: Poland
---

# 3-5 days battery life Waterproof for 24/7 wear Multi-metric health tracking ULTRAHUMAN Ring AIR - Smart Ring | No Monthly Subscription | Size First with Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker

**Brand:** ultrahuman
**Price:** 0 zł
**Availability:** ❌ Out of Stock

## Summary

> 💍 Unlock your health’s hidden rhythms—right at your fingertip!

## Quick Answers

- **What is this?** ULTRAHUMAN Ring AIR - Smart Ring | No Monthly Subscription | Size First with Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker by ultrahuman
- **How much does it cost?** 0 zł with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/734451577-ultrahuman-ring-air-smart-ring-no-monthly-subscription-size-first)

## 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

- • **Data-Driven Wellness:** Track sleep stages, HRV, heart rate, stress & recovery with clinical accuracy.
- • **Precision Fit, Zero Guesswork:** Sizing kit ensures your perfect ring size—no returns, no hassle.
- • **Women’s Health, Personalized:** Cycle, ovulation & pregnancy tracking with biomarker-based insights.
- • **All-Day Comfort, All-Night Insights:** Lightweight, waterproof design you’ll forget you’re wearing.
- • **Certified Renewed, Guaranteed Value:** Professionally inspected with 1-year warranty—premium tech, sustainable choice.

## Overview

The ULTRAHUMAN Ring AIR (Certified Renewed) is a sleek, waterproof smart ring offering 3-5 days of battery life and advanced multi-biomarker tracking for sleep, activity, stress, and women’s health. Certified renewed with a 1-year warranty, it includes a sizing kit for a perfect fit and delivers clinical-grade insights without monthly fees, empowering professionals to optimize wellness effortlessly.

## Description

Product Description Ultrahuman Ring AIR Aerospace-Grade Titanium Featherlight 2.4g aircraft-grade build. Aerospace-Grade Titanium Featherlight 2.4g aircraft-grade build. Water Resistant to 100m Swim, shower and dive — rated to 100 metres. Water Resistant to 100m Swim, shower and dive — rated to 100 metres. Up to 5-Day Battery Days of tracking on a single charge. Up to 5-Day Battery Days of tracking on a single charge. Designed for Comfort Rounded, snag-free profile you forget you're wearing. Designed for Comfort Rounded, snag-free profile you forget you're wearing. Skin-Friendly Inner Shell Hypoallergenic, medical-grade inner surface. Skin-Friendly Inner Shell Hypoallergenic, medical-grade inner surface. Sized for a Perfect Fit Sizing Kit gets your fit right, first time. Sized for a Perfect Fit Sizing Kit gets your fit right, first time.

Review: Incredible health insights in a sleek, comfortable design! - I’ve been using the Ultrahuman Ring Air for a few weeks now, and I’m genuinely impressed. It’s lightweight, super comfortable (I barely notice it’s there), and the build quality feels premium. What really sets it apart, though, is the depth of insights it gives me. The sleep tracking is spot-on, and the recovery and movement metrics have actually helped me make better choices day-to-day. The app is beautifully designed and easy to understand — it doesn’t just throw data at you, it interprets it in a way that feels actionable. Battery life has been great too; I’m getting almost a week per charge with regular use. I’ve used other fitness rings before, but the Ultrahuman Ring Air feels like a step up — both in comfort and in the quality of feedback. It’s stylish enough to wear all the time, and it’s genuinely motivated me to be more mindful about my health. Highly recommended for anyone looking to upgrade their wellness tracking without compromising on style or comfort!
Review: Life changing Smart Ring - I can genuinely say that this Smart Ring has changed my life in so many ways. The Ring tracks so many different areas including stress, caffeine intake and its effects, shift work, sunlight exposure, exercise etc. The app is seamless and very well laid out, not only provided the data but giving you real tips and advice on how to make improvements. I do not know if the data displayed is 100% accurate but it gives a baseline to work with and the data then shows trends including body temperature and movement during my sleep. I do not wear my Apple Watch Ultra to bed as it is too bulky and needs charging so the Ring is perfect. Battery lasts around four days, but I charge it when not wearing it for weight lifting to avoid damaging it. The Ring feels super high quality and hasn't yet marked despite continued use in a variety of activities. It is also really light in weight so you don't even notice it and is not bulky. I went for the dark grey titanium colour and it looks and feels more premium than I expected. I got the Ultrahuman X subscription with the desertcart offer and is really worth the extra upgrade for peace of mind, also brings a new feel and look about the app with enhanced features. I had to contact Ultrahuman support via the app to help activate the code and they were really friendly and so fast to respond to message through the chat. Cannot recommend this Ring enough, especially at the price an official refurbished one is on their store through desertcart.

## Features

- BUY THE SIZING KIT FIRST: Ultrahuman Ring sizes differ from standard ring sizes. Purchase the Ultrahuman Sizing Kit first, which includes a ring sizer, to accurately determine your size. The Ring AIR is available in 10 sizes (5-14), ensuring a comfortable, secure fit. Using the sizing kit helps you avoid returns and exchanges, ensuring you select the right size before purchasing.
- COMPREHENSIVE HEALTH TRACKING: The Ultrahuman Ring measures a wide range of metrics including sleep, activity, stress, heart health, movement, workouts, and recovery. Stay on top of your health and fitness goals with detailed insights to optimize your performance and well-being.
- WOMEN’S HEALTH INSIGHTS: With Ultrahuman Ring's advanced women's health features, track ovulation, cycles and pregnancy. Through multi-biomarker-based tracking for those looking to conceive, predict a 7-day fertile window and pinpoint ovulation with precision. Access cycle tracking combined with biomarker-based personalized guidance for every phase (Menstruation, Ovulation, Follicular, and Luteal). With Pregnancy Mode, expecting mothers get tailored pregnancy insights throughout each trimester.
- ONE APP, NO SUBSCRIPTION: Enjoy all the essential standard features of the Ultrahuman Ring, including sleep, activity, stress, heart rate, heart rate variability, skin temperature and recovery with no subscription — on the Ultrahuman App.
- ADVANCED SLEEP TRACKING: Ultrahuman Ring provides detailed insights into all your sleep stages — REM, Deep Sleep, Light Sleep and Wakefulness, along with actionable steps and nudges to improve sleep so you're ready for the day. It also tracks sleep debt, helping you understand your overall sleep quality and identify areas for improvement. Optimize your rest and recovery with accurate, personalized sleep insights.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D7956WT1 |
| Age Range Description | Adult |
| Band Colour | Black |
| Band Material Type | Titanium |
| Battery Average Life | 6 days |
| Battery Capacity | 32 Milliamp Hours |
| Battery Cell Type | Lithium Ion |
| Battery Charge Time | 2 Hours |
| Battery capacity | 32 Milliamp Hours |
| Best Sellers Rank | 29,652 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 6,092 in Wearable Technology (Electronics & Photo) |
| Box Contents | Charging Dock, Type C to Type C Cable, Ultrahuman Ring AIR |
| Brand Name | ULTRAHUMAN |
| Case Material Type | Titanium |
| Closure Type | No Closure |
| Colour | Matte Black |
| Communication Feature | Bluetooth |
| Compatible Devices | Android Phone, Iphone, Smartphone |
| Compatible Phone Models | Smartphone, Tablet |
| Connectivity Technology | Bluetooth |
| Connectivity technology | Bluetooth |
| Controller Type | Ultrahuman App |
| Customer Reviews | 4.2 out of 5 stars 937 Reviews |
| Display Type | No Display |
| GPS Geotagging Functionality | No GPS |
| 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 Type Name | Ultrahuman Ring AIR Sizing Kit |
| Item Weight | 3.7 Grams |
| Language | German |
| Manufacturer | Ultrahuman Healthcare Pvt Ltd |
| Memory Storage Capacity | 0.5 MB |
| Memory storage capacity | 0.5 MB |
| Metrics Measured | Blood Oxygen (SpO2), Body Temperature, Heart Rate, Menstrual Cycle, Sleep Duration |
| Model Name | Ultrahuman Ring AIR Sizing Kit |
| Model Number | UHRA-BRG-05-WBSB |
| Operating System | Ultrahuman App |
| Product Features | Activity Tracker, HRV Monitoring, Heart Rate Monitor, Sleep Monitor, SpO2 Monitor |
| Product Warranty | 1 Year |
| RAM Memory Installed | 0.5 MB |
| Shape | Round |
| Special feature | Activity Tracker, HRV Monitoring, Heart Rate Monitor, Sleep Monitor, SpO2 Monitor |
| Sport Type | CrossFit, Cycling, Running, Swimming, Yoga |
| Style Name | Minimalist |
| Supported Application | Activity Tracker, Custom Activity Tracker, Heart Rate Monitor, Sleep Monitor |
| Target Audience | Men, Unisex Adults, Unisex Youth, Women |
| Unit Count | 1.0 count |
| Warranty Type | Standard |
| Water Resistance Depth | 100 Metres |
| Water Resistance Level | Water Resistant |
| Waterproof Rating | IPX8 |
| Wearable Computer Type | Smart Ring |
| Wireless Compability | Bluetooth |
| Wireless communication standard | Bluetooth |

## Product Details

- **Battery capacity:** 24 Milliamp Hours
- **Battery cell composition:** Lithium Polymer
- **Brand:** ULTRAHUMAN
- **Connectivity technology:** Bluetooth
- **GPS:** no
- **Memory storage capacity:** 0.5 MB
- **Operating system:** android
- **Shape:** Round
- **Special feature:** anti-scratches
- **Wireless communication standard:** Bluetooth

## Images

![ULTRAHUMAN Ring AIR - 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/61tgSI8YkiL.jpg)
![ULTRAHUMAN Ring AIR - 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/71o1EKsWxwL.jpg)
![ULTRAHUMAN Ring AIR - 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/81kvUbrFqNL.jpg)
![ULTRAHUMAN Ring AIR - 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/81aK7zUMA7L.jpg)
![ULTRAHUMAN Ring AIR - 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/81+31D1fzzL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Incredible health insights in a sleek, comfortable design!
*by R***N on 4 November 2025*

I’ve been using the Ultrahuman Ring Air for a few weeks now, and I’m genuinely impressed. It’s lightweight, super comfortable (I barely notice it’s there), and the build quality feels premium. What really sets it apart, though, is the depth of insights it gives me. The sleep tracking is spot-on, and the recovery and movement metrics have actually helped me make better choices day-to-day. The app is beautifully designed and easy to understand — it doesn’t just throw data at you, it interprets it in a way that feels actionable. Battery life has been great too; I’m getting almost a week per charge with regular use. I’ve used other fitness rings before, but the Ultrahuman Ring Air feels like a step up — both in comfort and in the quality of feedback. It’s stylish enough to wear all the time, and it’s genuinely motivated me to be more mindful about my health. Highly recommended for anyone looking to upgrade their wellness tracking without compromising on style or comfort!

### ⭐⭐⭐⭐⭐ Life changing Smart Ring
*by L***N on 12 November 2025*

I can genuinely say that this Smart Ring has changed my life in so many ways. The Ring tracks so many different areas including stress, caffeine intake and its effects, shift work, sunlight exposure, exercise etc. The app is seamless and very well laid out, not only provided the data but giving you real tips and advice on how to make improvements. I do not know if the data displayed is 100% accurate but it gives a baseline to work with and the data then shows trends including body temperature and movement during my sleep. I do not wear my Apple Watch Ultra to bed as it is too bulky and needs charging so the Ring is perfect. Battery lasts around four days, but I charge it when not wearing it for weight lifting to avoid damaging it. The Ring feels super high quality and hasn't yet marked despite continued use in a variety of activities. It is also really light in weight so you don't even notice it and is not bulky. I went for the dark grey titanium colour and it looks and feels more premium than I expected. I got the Ultrahuman X subscription with the Amazon offer and is really worth the extra upgrade for peace of mind, also brings a new feel and look about the app with enhanced features. I had to contact Ultrahuman support via the app to help activate the code and they were really friendly and so fast to respond to message through the chat. Cannot recommend this Ring enough, especially at the price an official refurbished one is on their store through Amazon.

### ⭐⭐⭐⭐⭐ Worth buying, great smart ring with a free app!
*by T***. on 10 December 2025*

I’ve been using my Ultrahuman Ring Air for just a couple of weeks now and I'm happy to say that I really like it. I like how it works, the insights it provides and the ring itself. The app is very detailed and tracks a lot of information, which I’m still getting used to and learning how to fully understand. Sleep tracking was my main focus and so far it’s been really impressive. The ring itself also does a good job of calculating my steps. I wore my Fitbit alongside it for the first few days to compare the difference and I was pleased with how accurate the ring was. I love the overall design as it’s super sleek and blends nicely with my other jewellery. I’d definitely recommend using the sizing kit before buying. I’m glad I did, as my ring fits well (size 7). My finger does expand and shrink throughout the day, so it can feel slightly loose at some points, but aside from that the overall fit is good and I am able to wear my ring on both my pointer and middle fingers. Overall, I highly recommend buying this! I bought mine during the Black Friday sale, which was a great time to get it as I saved a lot of money in the end!

## 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

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---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-07-14*