---
product_id: 726688245
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 6)"
brand: "ultrahuman"
price: "R0"
currency: ZAR
in_stock: false
url: https://www.desertcart.co.za/products/726688245-ultrahuman-ring-air-no-app-subscription-smart-ring-size-first
store_origin: ZA
region: South Africa
---

# 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 6)

**Brand:** ultrahuman
**Price:** R0
**Availability:** ❌ Out of Stock

## Summary

> 💍 Unlock your body's secrets with the sleekest smart ring on the block!

## 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 6) by ultrahuman
- **How much does it cost?** R0 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/726688245-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, Perform More:** Movement Index and Workout Mode provide real-time biofeedback and detailed heart rate tracking to elevate your fitness game.
- • **Perfect Fit, Every Time:** Size first with a dedicated sizing kit to ensure your Ultrahuman Ring AIR fits flawlessly—because comfort is non-negotiable.
- • **Caffeine Timing, Perfected:** Stimulant Window Recommender guides your caffeine intake for peak productivity without the crash—because timing is everything.
- • **Sleep Smarter, Live Better:** Advanced Sleep Index tracks deep, REM, and light sleep stages, giving you a full metabolic health snapshot to optimize your rest and recovery.
- • **Recovery Insights That Matter:** Monitor your HRV and skin temperature to decode your body's recovery signals and fine-tune your wellness routine.

## 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. It features advanced sleep, movement, and recovery tracking, including heart rate variability and skin temperature metrics. Designed with a unique sizing kit for a perfect fit, it supports workout tracking, stimulant timing, and women's health insights, all seamlessly integrated via the Ultrahuman App available in 15 languages.

## 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.

## 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 |
|---------------|-------|
| Brand | ULTRAHUMAN |
| Manufacturer | Ultrahuman Healthcare Pvt Ltd |
| Model | RA-RT-Size14-US |
| Model Name | Ultrahuman Ring AIR |
| Package Dimensions | 21.79 x 16.89 x 8.1 cm; 3.7 g |
| Batteries | 1 Lithium Polymer batteries required. (included) |
| Item model number | RA-RT-Size14-US |
| Memory Storage Capacity | 0.5 MB |
| Digital storage capacity | 0.5 MB |
| Operating System | Ultrahuman App |
| Compatible Devices | Smartphone |
| Special Features | Activity Tracker, Custom Activity Tracker, Heart Rate Monitor, Multisport Tracker, Sleep Monitor |
| Mounting Hardware | Type C to Type C Cable, Ultrahuman Ring AIR, Wireless Charging Dock |
| Number of items | 1 |
| Display Type | No Display |
| Battery Average Life | 6 Days |
| Batteries Included | Yes |
| Batteries Required | Yes |
| Battery cell composition | Lithium Polymer |
| Wireless Type | Bluetooth |
| Connector Type | Bluetooth |
| Device interface - primary | Buttons |
| Includes Rechargeable Battery | No |
| Manufacturer | Ultrahuman Healthcare Pvt Ltd |
| Item Weight | 3.7 g |

## 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 6) - Image 1](https://m.media-amazon.com/images/I/71Nk9O+MkfL.jpg)
![ULTRAHUMAN Ring AIR - No App Subscription - Smart Ring - Size First with Sizing Kit - Track Sleep, Workouts, HR, HRV - Up to 6 Days Battery (Size 6) - Image 2](https://m.media-amazon.com/images/I/71PIHNOGoGL.jpg)
![ULTRAHUMAN Ring AIR - No App Subscription - Smart Ring - Size First with Sizing Kit - Track Sleep, Workouts, HR, HRV - Up to 6 Days Battery (Size 6) - Image 3](https://m.media-amazon.com/images/I/811FG0YrDhL.jpg)
![ULTRAHUMAN Ring AIR - No App Subscription - Smart Ring - Size First with Sizing Kit - Track Sleep, Workouts, HR, HRV - Up to 6 Days Battery (Size 6) - Image 4](https://m.media-amazon.com/images/I/81D7+8oo2eL.jpg)
![ULTRAHUMAN Ring AIR - No App Subscription - Smart Ring - Size First with Sizing Kit - Track Sleep, Workouts, HR, HRV - Up to 6 Days Battery (Size 6) - Image 5](https://m.media-amazon.com/images/I/81G-cAbtdnL.jpg)

## Frequently Bought Together

- ULTRAHUMAN Ring AIR - Sleep & Fitness Tracker, FSA-Approved Wearable, Smart Ring for Women & Men, No App Fee for Standard Features (Aster Black, 6)
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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-03-04*