---
product_id: 645829956
title: "Ring AIR Sizing Kit | Choose from Sizes 5-14 | Sizing Guide for Your Smart Wearable Ring"
brand: "ultrahuman"
price: "฿197"
currency: THB
in_stock: true
reviews_count: 8
category: "Ultrahuman"
url: https://www.desertcart.co.th/products/645829956-ring-air-sizing-kit-choose-from-sizes-5-14-sizing
store_origin: TH
region: Thailand
---

# Multi-metric health tracking 10 precise sizes (5-14) 6-day battery life Ring AIR Sizing Kit | Choose from Sizes 5-14 | Sizing Guide for Your Smart Wearable Ring

**Brand:** ultrahuman
**Price:** ฿197
**Availability:** ✅ In Stock

## Summary

> ⌚ Size it right, track it tight — your health’s new best friend!

## Quick Answers

- **What is this?** Ring AIR Sizing Kit | Choose from Sizes 5-14 | Sizing Guide for Your Smart Wearable Ring by ultrahuman
- **How much does it cost?** ฿197 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/645829956-ring-air-sizing-kit-choose-from-sizes-5-14-sizing)

## 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

- • **Subscription-Free Wellness:** Access essential health metrics and insights on the Ultrahuman App with zero subscription fees.
- • **Women’s Health, Elevated:** Advanced cycle, ovulation, and pregnancy tracking with personalized biomarker insights.
- • **All-in-One Health Dashboard:** Track sleep, activity, stress, heart health, and recovery seamlessly with one smart ring.
- • **Perfect Fit, Zero Guesswork:** Ultrahuman Ring AIR Sizing Kit ensures you pick your exact size before buying—no returns, no hassle.
- • **Sleep Smarter, Perform Better:** Deep dive into REM, deep, light sleep stages plus actionable nudges to optimize your rest.

## Overview

The Ultrahuman Ring AIR Sizing Kit offers 10 precise ring sizes (5-14) to guarantee a perfect fit for this advanced smart ring. Designed for comprehensive health tracking, it monitors sleep stages, activity, stress, heart rate, and women’s health metrics without any subscription fees. With a robust 6-day battery life and seamless Bluetooth connectivity, it integrates effortlessly with the Ultrahuman App to deliver personalized wellness insights and optimize your daily performance.

## Description

ULTRAHUMAN Ring AIR Sizing Kit | Choose from Sizes 5-14 | Sizing Guide for Your Smart Wearable Ring : desertcart.co.uk: Electronics & Photo

Review: Perfect - Perfect smart ring, easy to set up, lots of different measurements to help you within the app to check progress or just general health, much less intrusive than a smart watch.
Review: Great! - Great value, quality condition, appearance as described. Fast delivery.

## Features

- BUY THE SIZING KIT FIRST: Ultrahuman Ring sizes differ from standard ring sizes. Purchase the Ultrahuman Sizing Kit first, which includes a ring sizer, to accurately determine your size. The Ring AIR is available in 10 sizes (5-14), ensuring a comfortable, secure fit. Using the sizing kit helps you avoid returns and exchanges, ensuring you select the right size before purchasing.
- COMPREHENSIVE HEALTH TRACKING: The Ultrahuman Ring measures a wide range of metrics including sleep, activity, stress, heart health, movement, workouts, and recovery. Stay on top of your health and fitness goals with detailed insights to optimize your performance and well-being.
- WOMEN’S HEALTH INSIGHTS: With Ultrahuman Ring's advanced women's health features, track ovulation, cycles and pregnancy. Through multi-biomarker-based tracking for those looking to conceive, predict a 7-day fertile window and pinpoint ovulation with precision. Access cycle tracking combined with biomarker-based personalized guidance for every phase (Menstruation, Ovulation, Follicular, and Luteal). With Pregnancy Mode, expecting mothers get tailored pregnancy insights throughout each trimester.
- ONE APP, NO SUBSCRIPTION: Enjoy all the essential standard features of the Ultrahuman Ring, including sleep, activity, stress, heart rate, heart rate variability, skin temperature and recovery with no subscription — on the Ultrahuman App.
- ADVANCED SLEEP TRACKING: Ultrahuman Ring provides detailed insights into all your sleep stages — REM, Deep Sleep, Light Sleep and Wakefulness, along with actionable steps and nudges to improve sleep so you're ready for the day. It also tracks sleep debt, helping you understand your overall sleep quality and identify areas for improvement. Optimize your rest and recovery with accurate, personalized sleep insights.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D796MGRS |
| Age Range Description | Adult |
| Band Colour | Black |
| Band Material Type | Titanium |
| Battery Average Life | 6 days |
| Battery Capacity | 24 Milliamp Hours |
| Battery Cell Type | Lithium Polymer |
| Battery Charge Time | 2 Hours |
| Battery Power | 24 Milliamp Hours |
| Battery capacity | 24 Milliamp Hours |
| Best Sellers Rank | 357 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 2 in Wearable Tech Rings |
| Box Contents | Charging Dock, Type C to Type C Cable, Ultrahuman Ring AIR |
| Brand Name | ULTRAHUMAN |
| Case Material Type | Plastic |
| Clasp Type | Ring |
| Colour | Sizing Kit |
| Communication Feature | Bluetooth |
| Compatible Devices | Smartphone, Tablet, Computer |
| Compatible Phone Models | All Smartphone Models |
| Connectivity Technology | Bluetooth, USB |
| Connectivity technology | Bluetooth, USB |
| Controller Type | Ultrahuman Application |
| Country of Origin | India |
| Customer Reviews | 4.4 out of 5 stars 586 Reviews |
| Display Type | No Display |
| GPS Geotagging Functionality | No GPS |
| Human Interface Input | Buttons |
| Item Dimensions | 32 x 116 x 194 millimetres |
| Item Weight | 40 Grams |
| Manufacturer | Ultrahuman Healthcare Pvt Ltd |
| Memory Storage Capacity | 0.5 MB |
| Memory storage capacity | 0.5 MB |
| Metrics Measured | Sleep Duration, Step Count |
| Model Name | Ultrahuman Ring AIR |
| Model Number | UHRA-SSK-UK |
| Operating System | Ultrahuman App |
| Product Features | Activity Tracker, Custom Activity Tracker, Cycle Tracking, Multisport Tracker, Sedentary Reminder |
| Product Warranty | 1 Year |
| Shape | Round |
| Special feature | Activity Tracker, Custom Activity Tracker, Cycle Tracking, Multisport Tracker, Sedentary Reminder |
| Sport Type | Cycling, Fitness, Multi-Sports, Swimming, Yoga |
| Style Name | Sizing Kit |
| Supported Application | Fitness Tracker |
| Target Audience | Unisex Adults |
| Unit Count | 1.0 count |
| Warranty Type | Limited |
| Water Resistance Depth | 100 Metres |
| Water Resistance Level | Not Water Resistant |
| Waterproof Rating | IPX8 |
| Wearable Computer Type | Smart Ring |
| Wireless Compability | Bluetooth |
| Wireless communication standard | Bluetooth |

## Product Details

- **Battery capacity:** 24 Milliamp Hours
- **Battery cell composition:** Lithium Polymer
- **Brand:** ULTRAHUMAN
- **Connectivity technology:** Bluetooth, USB
- **GPS:** No GPS
- **Memory storage capacity:** 0.5 MB
- **Operating system:** Ultrahuman App
- **Shape:** Round
- **Special feature:** Activity Tracker, Custom Activity Tracker, Cycle Tracking, Multisport Tracker, Sedentary Reminder
- **Wireless communication standard:** Bluetooth

## Images

![Ring AIR Sizing Kit | Choose from Sizes 5-14 | Sizing Guide for Your Smart Wearable Ring - Image 1](https://m.media-amazon.com/images/I/81UQzOLIkwL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Perfect
*by J***T on 8 March 2026*

Perfect smart ring, easy to set up, lots of different measurements to help you within the app to check progress or just general health, much less intrusive than a smart watch.

### ⭐⭐⭐⭐⭐ Great!
*by R***E on 31 March 2026*

Great value, quality condition, appearance as described. Fast delivery.

### ⭐⭐⭐⭐⭐ Worth every penny
*by S***T on 23 March 2026*

Very handy to have. At least you can size the ring correctly before you buy. And 20p is brilliant

## Frequently Bought Together

- ULTRAHUMAN Ring AIR - Sleep & Fitness Tracker, Smart Ring for Women & Men, No App Fee for Standard Features
- RingConn Gen 2 Sizing Kit - Size First Before You Buy - Choose from 9 Sizes - Sizes 6 to 14 - Find The Perfect Ring Size Smart Ring Size
- 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.co.th/products/645829956-ring-air-sizing-kit-choose-from-sizes-5-14-sizing](https://www.desertcart.co.th/products/645829956-ring-air-sizing-kit-choose-from-sizes-5-14-sizing)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-04-25*