---
product_id: 726688296
title: "ULTRAHUMAN Ring AIR - No App Subscription - Smart Ring - Size First with Sizing Kit - Track Sleep, Workouts, HR, HRV - Up to 6 Days Battery (Size 8)"
brand: "ultrahuman"
price: "R$34"
currency: BRL
in_stock: false
reviews_count: 1
url: https://www.desertcart.com.br/products/726688296-ultrahuman-ring-air-no-app-subscription-smart-ring-size-first
store_origin: BR
region: Brazil
---

# 6 days battery life Water resistant up to 100m Space-grade titanium build ULTRAHUMAN Ring AIR - No App Subscription - Smart Ring - Size First with Sizing Kit - Track Sleep, Workouts, HR, HRV - Up to 6 Days Battery (Size 8)

**Brand:** ultrahuman
**Price:** R$34
**Availability:** ❌ Out of Stock

## Summary

> 💍 Elevate your wellness game with the sleek Ultrahuman Ring AIR — where precision meets lifestyle.

## Quick Answers

- **What is this?** ULTRAHUMAN Ring AIR - No App Subscription - Smart Ring - Size First with Sizing Kit - Track Sleep, Workouts, HR, HRV - Up to 6 Days Battery (Size 8) by ultrahuman
- **How much does it cost?** R$34 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/726688296-ultrahuman-ring-air-no-app-subscription-smart-ring-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

- • **Move More, Optimize Health:** Movement Index with step, calorie & workout tracking nudges you to stay active daily.
- • **Sleep Smarter, Live Better:** Advanced Sleep Index tracks REM, Deep, Light sleep & restfulness for holistic recovery.
- • **Precision Fit, No Guesswork:** Size First with Overnight Sizing Kit for perfect comfort and accuracy.
- • **Tailored Wellness for Women:** Cycle & pregnancy tracking with personalized biomarker insights for empowered health.
- • **Recovery Insights at a Glance:** Recovery Score blends HRV & skin temperature to decode your body’s wellness signals.

## Overview

The Ultrahuman Ring AIR is a cutting-edge smart ring crafted from space-grade titanium, offering up to 6 days of battery life and water resistance up to 100 meters. Designed for professionals who demand precision, it features advanced sleep, movement, and recovery tracking, including specialized insights for women’s health. Its unique Size First approach ensures a perfect fit, while wireless charging and a hypoallergenic smooth inner shell guarantee all-day comfort and convenience.

## Description

The cutting-edge wearable comes with a new, more compact form that is notch-less, ultra-thin, and boasts a smooth inner shell, ensuring unparalleled comfort throughout the day and night.

Review: Battery

## Features

- SIZE FIRST BEFORE YOU BUY - Ultrahuman Ring sizes are different from standard ring sizes. Purchase a Ring sizing kit first, wear it overnight, and purchase the perfect Ring AIR size for you. Ring AIR is available in 10 sizes from 5-14.
- SLEEP INDEX - Derived to help you understand the various sleep stages, such as Deep Sleep, REM Sleep, Light Sleep, and being Awake, Ring AIR will help you understand the different metabolic processes of the body that occur for growth, repair, restoration, and maintenance. Intelligently designed to be your sole metric for sleep health, it assesses your total sleep duration, resting heart rate, and restfulness, creating a comprehensive picture of your sleep quality.
- MOVEMENT INDEX - With the right nudges and biofeedback, it helps you stay active and optimize for better cardiovascular functioning. Developed to help you get in more movement, more often, Ring AIR also helps you track your steps, calories, and workouts.
- RECOVERY SCORE - Get insights into various recovery signals your body sends throughout the day, enabling a deeper comprehension of its needs. It is derived from a blend of key metrics, including Heart Rate Variability (HRV) and Skin Temperature, interpreting the signals your body sends and enabling you to monitor your overall well-being.
- WORKOUT TRACKING - The Ultrahuman Ring AIR has a dedicated 'Workout Mode' that tracks various activities, giving you deeper insight into your overall workout metrics. By tracking heart rate during workouts, you can gain insights into your cardiovascular response, track intensity levels, and make informed decisions to improve your fitness outcomes.
- STIMULANT WINDOW RECOMMENDER - A game-changer for all caffeine enthusiasts, this capability helps you make smarter choices about your stimulant consumption. Break down your day into favorable times in which you can consume stimulants to enhance your productivity.
- CIRCADIAN PHASE ALIGNMENT - Geek out on various insights, such as temperature minima, align your lifestyle, and optimize your sleep-wake cycle for improved cognitive function, energy levels, and hormone balance, with timely, actionable nudges for sunlight exposure and movement to shift your sleep schedule earlier.
- WOMEN’S HEALTH - Ring AIR comes with cutting-edge capabilities tailored for women's health, providing personalized insights into each phase of the menstrual cycle by correlating it with various biomarkers. Additionally, it offers pregnancy insights designed for expecting mothers, enabling them to seamlessly track their biomarkers' correlation with trimester progression through individually tailored scores.
- INSIDE THE AIR - Boasting a smooth hypoallergenic inner shell and constructed with Space-Grade Titanium, Ring AIR comes with up to 6 days of battery life, wireless charging, and water resistance up to 100 m.
- 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, & Russian.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D983D7VR |
| Age Range Description | Adult |
| Battery Average Life | 6 Days |
| Battery Cell Composition | Lithium Polymer |
| Battery Cell Type | Lithium Polymer |
| Box Contents | Type C to Type C Cable, Ultrahuman Ring AIR, Wireless Charging Dock |
| Brand Name | ULTRAHUMAN |
| Case Material Type | Titanium |
| Colour | Bionic Gold |
| Compatible Devices | Smartphone, Tablet |
| Compatible Phone Models | All current smartphone models |
| Connectivity Technology | Bluetooth |
| Customer Reviews | 3.0 out of 5 stars 1 Review |
| Display Type | No Display |
| GPS Geotagging Functionality | No GPS |
| Global Trade Identification Number | 00810171660145 |
| Human Interface Input | Unknown |
| Item Dimensions | 16 x 8 x 16 Millimeters |
| Item Weight Unit of Measure | 3.7 Grams |
| Manufacturer | Ultrahuman Healthcare Pvt Ltd |
| Memory Storage Capacity | 0.5 MB |
| Metrics Measured | Sleep Duration, Heart Rate, Activity |
| Model Name | Ultrahuman Ring AIR |
| Model Number | RA-RT-Size14-US |
| Operating System | Ultrahuman App |
| Product Features | Activity Tracker, Custom Activity Tracker, Heart Rate Monitor, Multisport Tracker, Sleep Monitor |
| Shape | Round |
| Special Feature | Activity Tracker, Custom Activity Tracker, Heart Rate Monitor, Multisport Tracker, Sleep Monitor |
| Style Name | Ultrahuman Ring |
| Target Audience | Unisex Adults |
| 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 |

## Product Details

- **Operating System:** Ultrahuman App
- **Memory Storage Capacity:** 0.5 MB
- **Special Feature:** Activity Tracker, Custom Activity Tracker, Heart Rate Monitor, Multisport Tracker, Sleep Monitor
- **Connectivity Technology:** Bluetooth
- **Wireless Communication Standard:** Bluetooth

## Images

![ULTRAHUMAN Ring AIR - No App Subscription - Smart Ring - Size First with Sizing Kit - Track Sleep, Workouts, HR, HRV - Up to 6 Days Battery (Size 8) - Image 1](https://m.media-amazon.com/images/I/716esW2uekL.jpg)

## Customer Reviews

### ⭐⭐⭐ Battery
*by C***S on 20 January 2026*



## 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, Bionic Gold, 8)
- PAVOI 14K Gold Plated Solid 925 Sterling Silver CZ Simulated Diamond Stackable Ring Eternity Bands for Women
- Compatible with UltraHuman Ring AIR Cover - Elastic Silicone Ring Protector for Working Out

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**Shop now:** [https://www.desertcart.com.br/products/726688296-ultrahuman-ring-air-no-app-subscription-smart-ring-size-first](https://www.desertcart.com.br/products/726688296-ultrahuman-ring-air-no-app-subscription-smart-ring-size-first)

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*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-03-11*