---
product_id: 651289161
title: "Ring AIR – Smart Ring for Men & Women | Sleep, Heart Rate, HRV, Stress Tracker | Fitness Tracker | No App Subscription | 20+ Workout Modes | Size First with Sizing Kit | 6 Days Battery"
brand: "ultrahuman"
price: "601789CFA"
currency: XOF
in_stock: true
reviews_count: 6
category: "Ultrahuman"
url: https://www.desertcart.sn/products/651289161-ring-air-smart-ring-for-men-and-women-sleep-heart
store_origin: SN
region: Senegal
---

# 100m Water Resistant 6-Day Battery Life Aerospace-Grade Titanium Ring AIR – Smart Ring for Men & Women | Sleep, Heart Rate, HRV, Stress Tracker | Fitness Tracker | No App Subscription | 20+ Workout Modes | Size First with Sizing Kit | 6 Days Battery

**Brand:** ultrahuman
**Price:** 601789CFA
**Availability:** ✅ In Stock

## Summary

> 💍 Elevate your health game with the ring that fits your life perfectly.

## Quick Answers

- **What is this?** Ring AIR – Smart Ring for Men & Women | Sleep, Heart Rate, HRV, Stress Tracker | Fitness Tracker | No App Subscription | 20+ Workout Modes | Size First with Sizing Kit | 6 Days Battery by ultrahuman
- **How much does it cost?** 601789CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/651289161-ring-air-smart-ring-for-men-and-women-sleep-heart)

## 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

- • **Dive-Ready Design:** Waterproof up to 100 meters—swim, shower, or dive without missing a beat.
- • **Extended Power Freedom:** Up to 6 days of battery life on a single charge keeps you connected longer, with quick 2-hour recharge.
- • **Featherlight Durability:** Crafted from aerospace-grade titanium weighing just 2.4g for all-day comfort and resilience.
- • **All-Day Wellness Tracking:** Monitors heart rate, HRV, sleep, stress, SpO2, and skin temperature with no subscription needed.
- • **Precision Fit, Zero Guesswork:** Sizing kit with 10 sizes & color samples ensures your perfect ring match before you buy.

## Overview

The ULTRAHUMAN Ring AIR is a sleek, aerospace-grade titanium smart ring designed for men and women seeking precise health insights. Featuring a unique sizing kit for a perfect fit, it tracks heart rate, HRV, sleep, stress, SpO2, and more without requiring a subscription. Water-resistant up to 100 meters and boasting up to 6 days of battery life, it blends durability, comfort, and advanced wellness tracking into a featherlight wearable.

## 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: Great but a power hog - The item looks as expected, and is generally easy to use, you just put a ring on. I’ve rated it 4 stars because to get readings with no gaps I needed to set it to turbo mode and that basically means recharging every day. That’s not an issue for me really, I can do that whilst I’m organising breakfast etc and it’s charged by the end of that, but if you’re expecting 4-5 days it’s a bit of a difference! Otherwise, it tracks HR, skin temperature, steps etc. There are plugins that are mostly free to extend functionality, and one I’ve subscribed to which monitors heart health more closely. Apart from the extra recharges, I’m very happy with it.
Review: Essential Precision for a Life-Changing Wearable - The "Why" Behind the Kit Smart rings are not like traditional wedding bands. Because they are packed with sensors, the Ultrahuman Ring AIR has a slightly different internal profile that requires a perfect fit for accurate data. I ordered this kit to ensure I didn't waste time with the wrong size, and I’m glad I did—I ended up being a size 9, though I typically wear a size 10 on my index finger. The Sizing Process The kit includes 10 high-quality plastic ring sizers (Sizes 5–14). Here is my tip for getting the best result: Wear the sizer for a full 24 hours. Your fingers swell in the heat and shrink in the cold. I found that a size that felt perfect in the morning was uncomfortably tight by the evening after a workout. Color Accuracy A unique feature of this kit is that it includes colour samples. Seeing the "Aster Black" vs. the "Bionic Gold" in person is much better than looking at a screen. The gold has a sophisticated matte-satin finish that convinced me to switch my original color choice. Pros: True-to-Life Feel: The plastic sizers mimic the width and thickness of the actual Ring AIR, which is crucial for comfort. Convenience: It allows you to test the fit on different fingers (index vs. middle) to see which is most comfortable for sleep tracking. Credit/Value: (Note: Mention if your kit came with a credit toward the ring purchase, as many do). Cons: Plastic Texture: While the size is accurate, the plastic is obviously lighter and "grippier" than the actual titanium ring, so keep that in mind when testing how easily it slides over your knuckle. Final Verdict Do not skip this step. The Ultrahuman Ring AIR is a premium investment, and this kit is the only way to guarantee you’ll be happy with the fit on day one. It’s a small price to pay for total confidence in your purchase

## Features

- ULTRAHUMAN Ring AIR Sizing Kit with Colours - Size First Before You Buy - Choose from 10 Sizes - Sizes 5 to 14 from 5 Colour Options- Find The Perfect Ring Size - Smart Ring Sizer

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D8HYRS46 |
| 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 Power | 0.09 Watt Hours |
| Battery capacity | 32 Milliamp Hours |
| Best Sellers Rank | 27,024 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 82 in Wearable Tech Rings |
| Box Contents | Charging Dock, Type C to Type C Cable, Ultrahuman Ring AIR |
| Brand Name | ULTRAHUMAN |
| Case Material Type | Plastic or Resin or Aluminium |
| Closure Type | Slide |
| Colour | Matte Black |
| Communication Feature | Bluetooth |
| Compatible Devices | Android Phone, Iphone, Smartphone |
| Compatible Phone Models | Android Devices, iOS Devices |
| Connectivity Technology | Bluetooth |
| Connectivity technology | Bluetooth |
| Controller Type | Ultrahuman App |
| Country of Origin | India |
| Customer Reviews | 4.5 out of 5 stars 1,750 Reviews |
| Display Type | Analog |
| External Testing Certification | Não aplicável |
| GPS Geotagging Functionality | No GPS |
| Global Trade Identification Number | 08906184870700 |
| Human Interface Input | Unknown |
| Item Dimensions | 17 x 15 x 7 centimetres |
| Item Weight | 2.4 Grams |
| Language | French |
| 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, Step Count, Stress |
| Model Name | Ultrahuman Ring AIR |
| Model Number | UHRA-MB-15 |
| Operating System | Ultrahuman App |
| Product Features | Activity Tracker, Custom Activity Tracker, HRV Monitoring, Heart Rate Monitor, Multisport Tracker, Skin Temperature Monitoring, Sleep Monitor, SpO2 Monitor |
| Product Warranty | 1 Year |
| Shape | Ring |
| Special feature | Activity Tracker, Custom Activity Tracker, HRV Monitoring, Heart Rate Monitor, Multisport Tracker, Skin Temperature Monitoring, Sleep Monitor, SpO2 Monitor Special feature Activity Tracker, Custom Activity Tracker, HRV Monitoring, Heart Rate Monitor, Multisport Tracker, Skin Temperature Monitoring, Sleep Monitor, SpO2 Monitor See more |
| Sport Type | Basketball, CrossFit, Cycling, General Fitness, Golf, Hiking, Running, Soccer, Swimming, Triathlon, Weightlifting, Yoga |
| Style Name | New Sizing Kit |
| Supported Application | Activity Tracker, Custom Activity Tracker, Heart Rate Monitor, Sleep Monitor |
| Target Audience | Men, Unisex Adults, Unisex Youth, Women |
| Warranty Type | Limited |
| 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:** 32 Milliamp Hours
- **Battery cell composition:** Lithium Ion
- **Brand:** ULTRAHUMAN
- **Connectivity technology:** Bluetooth
- **GPS:** No GPS
- **Memory storage capacity:** 0.5 MB
- **Operating system:** Ultrahuman App
- **Shape:** Ring
- **Wireless communication standard:** Bluetooth

## Images

![Ring AIR – Smart Ring for Men & Women | Sleep, Heart Rate, HRV, Stress Tracker | Fitness Tracker | No App Subscription | 20+ Workout Modes | Size First with Sizing Kit | 6 Days Battery - Image 1](https://m.media-amazon.com/images/I/71kQTY62tfL.jpg)
![Ring AIR – Smart Ring for Men & Women | Sleep, Heart Rate, HRV, Stress Tracker | Fitness Tracker | No App Subscription | 20+ Workout Modes | Size First with Sizing Kit | 6 Days Battery - Image 2](https://m.media-amazon.com/images/I/81DnwN65wpL.jpg)
![Ring AIR – Smart Ring for Men & Women | Sleep, Heart Rate, HRV, Stress Tracker | Fitness Tracker | No App Subscription | 20+ Workout Modes | Size First with Sizing Kit | 6 Days Battery - Image 3](https://m.media-amazon.com/images/I/7163M1GucVL.jpg)
![Ring AIR – Smart Ring for Men & Women | Sleep, Heart Rate, HRV, Stress Tracker | Fitness Tracker | No App Subscription | 20+ Workout Modes | Size First with Sizing Kit | 6 Days Battery - Image 4](https://m.media-amazon.com/images/I/81yJQ7YsNEL.jpg)
![Ring AIR – Smart Ring for Men & Women | Sleep, Heart Rate, HRV, Stress Tracker | Fitness Tracker | No App Subscription | 20+ Workout Modes | Size First with Sizing Kit | 6 Days Battery - Image 5](https://m.media-amazon.com/images/I/71biKjMyMjL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐ Great but a power hog
*by L***S on 16 May 2026*

The item looks as expected, and is generally easy to use, you just put a ring on. I’ve rated it 4 stars because to get readings with no gaps I needed to set it to turbo mode and that basically means recharging every day. That’s not an issue for me really, I can do that whilst I’m organising breakfast etc and it’s charged by the end of that, but if you’re expecting 4-5 days it’s a bit of a difference! Otherwise, it tracks HR, skin temperature, steps etc. There are plugins that are mostly free to extend functionality, and one I’ve subscribed to which monitors heart health more closely. Apart from the extra recharges, I’m very happy with it.

### ⭐⭐⭐⭐⭐ Essential Precision for a Life-Changing Wearable
*by M***4 on 27 February 2026*

The "Why" Behind the Kit Smart rings are not like traditional wedding bands. Because they are packed with sensors, the Ultrahuman Ring AIR has a slightly different internal profile that requires a perfect fit for accurate data. I ordered this kit to ensure I didn't waste time with the wrong size, and I’m glad I did—I ended up being a size 9, though I typically wear a size 10 on my index finger. The Sizing Process The kit includes 10 high-quality plastic ring sizers (Sizes 5–14). Here is my tip for getting the best result: Wear the sizer for a full 24 hours. Your fingers swell in the heat and shrink in the cold. I found that a size that felt perfect in the morning was uncomfortably tight by the evening after a workout. Color Accuracy A unique feature of this kit is that it includes colour samples. Seeing the "Aster Black" vs. the "Bionic Gold" in person is much better than looking at a screen. The gold has a sophisticated matte-satin finish that convinced me to switch my original color choice. Pros: True-to-Life Feel: The plastic sizers mimic the width and thickness of the actual Ring AIR, which is crucial for comfort. Convenience: It allows you to test the fit on different fingers (index vs. middle) to see which is most comfortable for sleep tracking. Credit/Value: (Note: Mention if your kit came with a credit toward the ring purchase, as many do). Cons: Plastic Texture: While the size is accurate, the plastic is obviously lighter and "grippier" than the actual titanium ring, so keep that in mind when testing how easily it slides over your knuckle. Final Verdict Do not skip this step. The Ultrahuman Ring AIR is a premium investment, and this kit is the only way to guarantee you’ll be happy with the fit on day one. It’s a small price to pay for total confidence in your purchase

### ⭐⭐⭐⭐⭐ Great idea
*by Q***B on 24 June 2026*

Love that I can figure out my size so easily and pass it on to share with others.

## Frequently Bought Together

- ULTRAHUMAN Ring AIR-Smart Ring Health Tracker, Size First Sizing Kit,Sleep Tracker,Smart Ring for Men/Women,Fitness Tracker (Made in India, Swatch Sizing Kit, Swatch Sizing Kit)
- RingConn Gen 2 Air Sizing Kit - Size First Before You Buy - Choose from 9 Sizes - Sizes 6 to 14 - Only Smart Ring
- Oura Ring 4 Sizing Kit - Size Before You Buy Oura Ring 4 - Unique Sizing - Receive Credit for Purchase

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---

*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-07-16*