---
product_id: 726688155
title: "ULTRAHUMAN Ring Air Sizing Kit with Color - First Size Before Purchasing - Choose from 10 Sizes - 5 Color Options - Find Your Perfect Ring Size - Smart Ring Size"
brand: "ultrahuman"
price: "₩2795015"
currency: KRW
in_stock: false
reviews_count: 5
url: https://www.desertcart.kr/products/726688155-ultrahuman-ring-air-sizing-kit-with-color-first-size-before
store_origin: KR
region: South Korea
---

# 24+ hour fit test 5 stylish color options 10 precise ring sizes ULTRAHUMAN Ring Air Sizing Kit with Color - First Size Before Purchasing - Choose from 10 Sizes - 5 Color Options - Find Your Perfect Ring Size - Smart Ring Size

**Brand:** ultrahuman
**Price:** ₩2795015
**Availability:** ❌ Out of Stock

## Summary

> 📏 Find your perfect fit, flaunt your style, and track your health like a pro.

## Quick Answers

- **What is this?** ULTRAHUMAN Ring Air Sizing Kit with Color - First Size Before Purchasing - Choose from 10 Sizes - 5 Color Options - Find Your Perfect Ring Size - Smart Ring Size by ultrahuman
- **How much does it cost?** ₩2795015 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/726688155-ultrahuman-ring-air-sizing-kit-with-color-first-size-before)

## 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

- • **Comfort That Lasts:** Snug fit ensures the ring won’t spin, delivering maximum data accuracy and all-day wearability.
- • **Style Meets Substance:** Choose from 5 sleek colors like Raw Titanium and Bionic Gold to match your personal brand.
- • **Perfect Fit, Every Time:** Try on 10 exact sizes to nail your Ring AIR fit before you buy—no guesswork, no returns.
- • **Smart Sizing, Smarter Purchase:** Use the sizing kit’s 24-hour wear test to confidently select your perfect smart ring size.
- • **Wear It Right, Track It Better:** Recommended on index, middle, or ring finger for optimal comfort and advanced health insights.

## Overview

The ULTRAHUMAN Ring Air Sizing Kit offers 10 precise ring sizes and 5 color options to help you find your perfect smart ring fit. Designed for comfort and accuracy, the kit encourages a 24-hour wear test to ensure optimal sizing before purchase. Ideal for advanced sleep and fitness tracking, this sizing kit eliminates guesswork and returns, empowering you to confidently select your ULTRAHUMAN Ring AIR.

## Description

CHOOSE YOUR SIZE AND COLOR: Once you know your size, you can choose the color of the ring from the sample card in the box. The sample card shows all five colors: Aster Black, Space Silver, Bionic Gold, Matte Grey, and Raw Titanium. Find one that fits your style

Review: Excelente Producto
Review: I recently had the opportunity to use both the Ultrahuman Sizing Kit and the Ultrahuman Ring AIR in Raw Titanium (Size 9), and my experience has been nothing short of fantastic! The Sizing Kit was a game-changer. It provided a variety of sizes, making it easy to find the perfect fit for the smart ring. The included swatches gave a clear preview of the ring’s look and feel, ensuring I was confident about my choice. This thoughtful approach saved me the hassle of potential returns and made the purchasing process smooth and stress-free. Once I received the Ring AIR, it exceeded my expectations. The Raw Titanium finish is absolutely stunning, and the lightweight design ensures all-day comfort. The sleep tracking is incredibly detailed, offering insights into REM, Deep Sleep, Light Sleep, and Wakefulness, alongside actionable recommendations to enhance sleep quality. The Dynamic Recovery Score, which combines HRV, heart rate, and skin temperature metrics, provides a comprehensive view of my recovery and overall health. The ring’s fitness tracking capabilities are outstanding. The Workout Mode monitors heart rate during workouts, delivering real-time insights to optimize performance. Additionally, the Movement Index keeps me motivated to stay active throughout the day, even beyond workouts. The battery life is another major plus—lasting up to 6 days on a single 2-hour charge, making it highly convenient for daily use. Pairing the ring with the Ultrahuman App was seamless, and the app’s multi-language support adds to its accessibility. Overall, from the perfect fit ensured by the Sizing Kit to the advanced features of the Ring AIR, this has been an incredible addition to my health and fitness journey. Highly recommended for anyone looking for a functional, aesthetically pleasing, and reliable health tracker! 🌟🌟🌟🌟🌟

## Features

- SIZE FIRST - Ultra human ring sizes differ from standard ring sizes. Buy the size kit first to get the perfect ring air size. Ring AIR is available in 10 sizes 5-14
- TRY A SIZING RING - It is important to determine the air size of your ring using a sizing kit first. Wear your ring sizer at least 24 hours to ensure fit. Wear your ring with the engraved size number toward your palm
- FIND THE RIGHT FINGER - We recommend wearing Ultrahuman Ring AIR on your index finger, middle finger, and ring finger for optimal comfort and advanced sleep tracking
- FIT CHECK: Snug fit Ultra Human rings for maximum data accuracy and optimal comfort. Here are a few simple ways to evaluate this - when you rotate the ring with your finger, it will not spin freely
- CHOOSE YOUR RING: To determine your exact size using our sizing kit, go to desertcart and order your Ultrahuman Smart Ring

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D8HYRS46 |
| Amazon Bestseller | #398,918 in Hobbies ( See Top 100 in Hobbies ) #234 in Jewelry Making Kits |
| Batteries Included | No |
| Batteries Required | No |
| Brand | ULTRAHUMAN |
| Color Name | Size Kit with Swatch |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,498) |
| Date First Available | July 7, 2024 |
| Included Components | CHOOSE YOUR COLOR CHOICE: Once you know your size, you can choose the color of the ring from the sample card in the box. The sample card shows all five colors: Aster Black, Space Silver, Bionic Gold, Matte Grey, and Raw Titanium. Find one that fits your style |
| International Protection Rating | IPX8 |
| Item Model Number | UHRA-SSK-US |
| Item Shape | Rings |
| Item Weight | 3.7 Grams |
| Item model number | UHRA-SSK-US |
| Manufacturer | ULTRAHUMAN |
| Product Dimensions | 2 x 0.8 x 2 cm; 3.7 g |
| Special Features | Size Kit Guide |
| Wireless Comm Standard | Bluetooth |

## Product Details

- **Brand:** ULTRAHUMAN
- **Memory Storage Capacity:** 0.5 MB
- **Shape:** Rings
- **Special Feature:** Size Kit Guide
- **Wireless Communication Standard:** Bluetooth

## Images

![ULTRAHUMAN Ring Air Sizing Kit with Color - First Size Before Purchasing - Choose from 10 Sizes - 5 Color Options - Find Your Perfect Ring Size - Smart Ring Size - Image 1](https://m.media-amazon.com/images/I/71Z2x+LPTcL.jpg)
![ULTRAHUMAN Ring Air Sizing Kit with Color - First Size Before Purchasing - Choose from 10 Sizes - 5 Color Options - Find Your Perfect Ring Size - Smart Ring Size - Image 2](https://m.media-amazon.com/images/I/71myH98rh6L.jpg)
![ULTRAHUMAN Ring Air Sizing Kit with Color - First Size Before Purchasing - Choose from 10 Sizes - 5 Color Options - Find Your Perfect Ring Size - Smart Ring Size - Image 3](https://m.media-amazon.com/images/I/81Fh75wKSYL.jpg)
![ULTRAHUMAN Ring Air Sizing Kit with Color - First Size Before Purchasing - Choose from 10 Sizes - 5 Color Options - Find Your Perfect Ring Size - Smart Ring Size - Image 4](https://m.media-amazon.com/images/I/81OYnDKwlUL.jpg)
![ULTRAHUMAN Ring Air Sizing Kit with Color - First Size Before Purchasing - Choose from 10 Sizes - 5 Color Options - Find Your Perfect Ring Size - Smart Ring Size - Image 5](https://m.media-amazon.com/images/I/81ShAcjCTjL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by R***S on November 6, 2025*

Excelente Producto

### ⭐⭐⭐⭐⭐ Review
*by S***K on November 21, 2024*

I recently had the opportunity to use both the Ultrahuman Sizing Kit and the Ultrahuman Ring AIR in Raw Titanium (Size 9), and my experience has been nothing short of fantastic! The Sizing Kit was a game-changer. It provided a variety of sizes, making it easy to find the perfect fit for the smart ring. The included swatches gave a clear preview of the ring’s look and feel, ensuring I was confident about my choice. This thoughtful approach saved me the hassle of potential returns and made the purchasing process smooth and stress-free. Once I received the Ring AIR, it exceeded my expectations. The Raw Titanium finish is absolutely stunning, and the lightweight design ensures all-day comfort. The sleep tracking is incredibly detailed, offering insights into REM, Deep Sleep, Light Sleep, and Wakefulness, alongside actionable recommendations to enhance sleep quality. The Dynamic Recovery Score, which combines HRV, heart rate, and skin temperature metrics, provides a comprehensive view of my recovery and overall health. The ring’s fitness tracking capabilities are outstanding. The Workout Mode monitors heart rate during workouts, delivering real-time insights to optimize performance. Additionally, the Movement Index keeps me motivated to stay active throughout the day, even beyond workouts. The battery life is another major plus—lasting up to 6 days on a single 2-hour charge, making it highly convenient for daily use. Pairing the ring with the Ultrahuman App was seamless, and the app’s multi-language support adds to its accessibility. Overall, from the perfect fit ensured by the Sizing Kit to the advanced features of the Ring AIR, this has been an incredible addition to my health and fitness journey. Highly recommended for anyone looking for a functional, aesthetically pleasing, and reliable health tracker! 🌟🌟🌟🌟🌟

### ⭐⭐⭐⭐⭐ Review
*by A***U on September 15, 2025*

Llegó a tiempo. Muy recomendado el kit si quieres comprar tu anillo sin estar adivinando la talla

## 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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**Shop now:** [https://www.desertcart.kr/products/726688155-ultrahuman-ring-air-sizing-kit-with-color-first-size-before](https://www.desertcart.kr/products/726688155-ultrahuman-ring-air-sizing-kit-with-color-first-size-before)

---

*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-03-10*