---
product_id: 660215837
title: "ULTRAHUMAN Ring AIR - Smart Ring | No App Subscription Fee | Size First with Sizing Kit | Sleep, Activity & Heart Rate Tracking | Fitness Ring for Men & Women"
brand: "ultrahuman"
price: "FREE"
currency: NZD
in_stock: false
url: https://www.desertcart.nz/products/660215837-ultrahuman-ring-air-smart-ring-no-app-subscription-fee-size
store_origin: NZ
region: New Zealand
---

# 24+ hrs wear test for perfect fit Optimized finger placement for accuracy 10 custom sizes (5-14) ULTRAHUMAN Ring AIR - Smart Ring | No App Subscription Fee | Size First with Sizing Kit | Sleep, Activity & Heart Rate Tracking | Fitness Ring for Men & Women

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

## Summary

> 📏 Find your perfect fit, wear your wellness.

## Quick Answers

- **What is this?** ULTRAHUMAN Ring AIR - Smart Ring | No App Subscription Fee | Size First with Sizing Kit | Sleep, Activity & Heart Rate Tracking | Fitness Ring for Men & Women by ultrahuman
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/660215837-ultrahuman-ring-air-smart-ring-no-app-subscription-fee-size)

## 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

- • **Wear It Your Way:** Recommended on index, middle, or ring finger for optimal comfort and advanced sleep tracking.
- • **Smart Recovery Insights:** Unlock your body's recovery score by tracking HRV and skin temperature for smarter wellness decisions.
- • **Precision Fit, No Guesswork:** Use the sizing kit overnight to nail your perfect Ultrahuman Ring AIR size before buying.
- • **Tailored Comfort for 24/7 Wear:** Designed for all-day and night comfort with a notch-less, ultra-thin profile weighing just 2.4g.
- • **Workout Mode for Peak Performance:** Track heart rate and intensity across multiple sports to elevate your fitness game.

## Overview

The Ultrahuman Ring Sizing Kit helps you select the ideal size (5-14) for the Ultrahuman Ring AIR, a sleek, ultra-light (2.4g) smart ring designed for continuous health tracking. By wearing the sizing ring for 24+ hours, users ensure a precise fit that maximizes comfort and accuracy in monitoring sleep, heart rate, HRV, skin temperature, and workout metrics.

## Description

Buy ULTRAHUMAN Ring AIR - Smart Ring | No App Subscription Fee | Size First with Sizing Kit | Sleep, Activity & Heart Rate Tracking | Fitness Ring for Men & Women online on desertcart.ae at best prices. ✓ Fast and free shipping ✓ free returns ✓ cash on delivery available on eligible purchase.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D8HYRS46 |
| Additional Features | Activity Tracker, Custom Activity Tracker, Heart Rate Monitor, Multisport Tracker, Sleep Monitor |
| Age Range Description | Adult |
| Band Color | black |
| Band Material Type | titanium |
| Battery Average Life | 6 days |
| Battery Capacity | 24 |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 2 Hours |
| Battery capacity | 24 |
| Best Sellers Rank | #67,420 in Sporting Goods ( See Top 100 in Sporting Goods ) #379 in Activity Trackers |
| Brand | ULTRAHUMAN |
| Built-In Media | Type C to Type C Cable, Ultrahuman Ring AIR, Wireless Charging Dock |
| Case Material Type | Titanium |
| Clasp Type | Ring |
| Closure Type | Pull On |
| Color | Matte Black |
| Communication Feature | Bluetooth |
| Compatible Devices | Smartphone, Tablet, Laptop |
| Compatible Phone Models | All current smartphone models |
| Connectivity Technology | Bluetooth |
| Connectivity technology | Bluetooth |
| Customer Reviews | 4.4 out of 5 stars 1,780 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 centimeters |
| Item Weight | 2.4 Grams |
| Language | French |
| Manufacturer | Ultrahuman Healthcare Pvt Ltd |
| Manufacturer Contact Information | ULTRAHUMAN HEALTHCARE PVT LTD No. 2, Sy.No. 49/1 & 49/3 Am industrial area Bangalore-560068 |
| Memory Storage Capacity | 0.5 MB |
| Memory storage capacity | 0.5 MB |
| Metrics Measured | Heart Rate Monitor |
| Model Name | RA-AA-Size13-US |
| Model Number | Sizing Kit 3 |
| Operating System | Ultrahuman App |
| RAM Memory Installed | 0.5 MB |
| Shape | Round |
| Special features | Activity Tracker, Custom Activity Tracker, Heart Rate Monitor, Multisport Tracker, Sleep Monitor |
| Sport Type | Cycling, Fitness, Multi-Sports, Swimming, Yoga |
| Style Name | Modern |
| Supported Application | Custom Activity Tracker, Fitness Tracker, Heart Rate Monitor, Sleep Monitor, Stimulant Window Tracker |
| Target Audience | Unisex Adult |
| Warranty Description | 1 Year Manufacturer |
| Warranty Type | Limited |
| Water Resistance Depth | 1 Meters |
| Water Resistance Level | Water Resistant |
| Waterproof Rating | IPX8 |
| Wearable Computer Type | Smart Ring |
| Wireless Compability | Bluetooth |
| Wireless communication standard | Bluetooth |

## Product Details

- **Operating system:** Ultrahuman App
- **Memory storage capacity:** 0.5 MB
- **Special features:** Activity Tracker, Custom Activity Tracker, Heart Rate Monitor, Multisport Tracker, Sleep Monitor
- **Battery capacity:** 24
- **Connectivity technology:** Bluetooth

## Images

![ULTRAHUMAN Ring AIR - Smart Ring | No App Subscription Fee | Size First with Sizing Kit | Sleep, Activity & Heart Rate Tracking | Fitness Ring for Men & Women - Image 1](https://m.media-amazon.com/images/I/71jaGrJtr-L.jpg)
![ULTRAHUMAN Ring AIR - Smart Ring | No App Subscription Fee | Size First with Sizing Kit | Sleep, Activity & Heart Rate Tracking | Fitness Ring for Men & Women - Image 2](https://m.media-amazon.com/images/I/81aDmHty4aL.jpg)
![ULTRAHUMAN Ring AIR - Smart Ring | No App Subscription Fee | Size First with Sizing Kit | Sleep, Activity & Heart Rate Tracking | Fitness Ring for Men & Women - Image 3](https://m.media-amazon.com/images/I/71M134h6HbL.jpg)
![ULTRAHUMAN Ring AIR - Smart Ring | No App Subscription Fee | Size First with Sizing Kit | Sleep, Activity & Heart Rate Tracking | Fitness Ring for Men & Women - Image 4](https://m.media-amazon.com/images/I/81yJQ7YsNEL.jpg)
![ULTRAHUMAN Ring AIR - Smart Ring | No App Subscription Fee | Size First with Sizing Kit | Sleep, Activity & Heart Rate Tracking | Fitness Ring for Men & Women - Image 5](https://m.media-amazon.com/images/I/71EZkDK5zlL.jpg)

## 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)
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- Oura Ring 4 Sizing Kit - Size Before You Buy Oura Ring 4 - Unique Sizing - Receive Credit for Purchase

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**Shop now:** [https://www.desertcart.nz/products/660215837-ultrahuman-ring-air-smart-ring-no-app-subscription-fee-size](https://www.desertcart.nz/products/660215837-ultrahuman-ring-air-smart-ring-no-app-subscription-fee-size)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-10-12*