---
product_id: 705628063
title: "Ring 4 Sizing Kit - Size Before You Buy - Unique Sizing Classification for Smart Rings - Receive Credit for Purchase"
brand: "oura"
price: "NT$535"
currency: TWD
in_stock: true
reviews_count: 13
category: "Oura"
url: https://www.desertcart.tw/products/705628063-ring-4-sizing-kit-size-before-you-buy-unique-sizing
store_origin: TW
region: Taiwan
---

# dh35.00 purchase credit Custom sizing system Ultra-light 0.55g kit Ring 4 Sizing Kit - Size Before You Buy - Unique Sizing Classification for Smart Rings - Receive Credit for Purchase

**Brand:** oura
**Price:** NT$535
**Availability:** ✅ In Stock

## Summary

> 📏 Find your perfect fit before you commit—because precision matters.

## Quick Answers

- **What is this?** Ring 4 Sizing Kit - Size Before You Buy - Unique Sizing Classification for Smart Rings - Receive Credit for Purchase by oura
- **How much does it cost?** NT$535 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/705628063-ring-4-sizing-kit-size-before-you-buy-unique-sizing)

## Best For

- oura enthusiasts

## Why This Product

- Trusted oura brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Earn While You Size:** Get dh35.00 credit towards your Oura Ring 4 purchase when you buy the sizing kit—smart shopping made smarter.
- • **Try Before You Commit:** Use the comprehensive sizing kit to find your exact size—no more returns or ill-fitting rings.
- • **Fits Any Finger, Any Hand:** Designed to work on all fingers, with recommendations for index, middle, or ring finger for optimal sensor performance.
- • **Featherlight & User-Friendly:** Weighing just 0.55g, the kit is easy to use and carry, making sizing effortless and convenient.
- • **Precision Fit, Zero Guesswork:** Unique Oura Ring 4 sizing ensures your smart ring fits perfectly for maximum comfort and data accuracy.

## Overview

The Oura Ring 4 Sizing Kit offers a unique, custom sizing system tailored specifically for the Oura Ring 4 smart ring. It includes a full range of sizes (4-15, no half sizes) to ensure a perfect fit on any finger, enhancing comfort and sensor accuracy. Purchasing the kit grants a dh35.00 credit towards the ring itself, making it a savvy first step for anyone serious about optimizing their wearable experience.

## Description

From the brand Oura Ring 4 Sizing Kit Oura Ring 4

Review: I'ts Always Good To Try Before You Buy! - Nice to use at your leisure and get used to, get the best comfy fit as the ring is wider than a normal ring. Good ring sizer all round, I got it on sale so good value for money.
Review: Perfect Fit, First Time: Oura Ring 4 Sizing Kit Review - The Oura Ring 4 Sizing Kit is an essential first step for anyone considering this innovative smart ring. It takes the guesswork out of finding your perfect fit, ensuring a comfortable and accurate wearing experience. Key Features: Comprehensive Sizing: The kit includes a wide range of sizes to accommodate various finger shapes and sizes. Easy-to-Use: Clear instructions and a simple sizing method make it easy to determine your correct ring size. Unique Sizing Classification: Oura's unique sizing system ensures a precise fit specifically for their smart rings. Purchase Credit: The cost of the sizing kit is credited towards your Oura Ring 4 purchase, making it a worthwhile investment. Well-Packaged: The kit arrived well-packaged and organised, making it easy to find the right size. Overall: The Oura Ring 4 Sizing Kit provides a seamless and accurate way to find your perfect ring size. It's a must-have for anyone considering purchasing an Oura Ring, ensuring a comfortable and enjoyable experience from the start.

## Features

- OURA RING 4 SIZING KIT - The Oura Ring 4 Sizing Kit is the ideal way to find the perfect size. It’s a custom sizer that allows for you, and those around you, to find the perfect fit before purchasing.
- RECEIVE dh35.00 CREDIT - With a sizing kit purchase, receive a dh35.00 desertcart credit towards the future purchase of an Oura Ring 4. Sizing kit is not returnable (terms and conditions apply).
- NOT STANDARD SIZING - Oura Ring 4 sizes are slightly different from standard ring sizes, so it is important to size yourself using our Oura Ring 4 sizing kit and to follow the instructions provided. Oura Ring 4 is available in sizes 4-15. There are no half sizes.
- COMFORT AND ACCURACY - A properly fitting Oura Ring will result in the highest data accuracy, comfort, and overall experience.
- CHOOSE A FINGER - Oura Ring 4 works on all fingers and can be worn on either hand. For optimal accuracy, we recommend wearing your Oura Ring 4 on your index, middle, or ring finger. Size the exact finger you plan to wear your Oura Ring 4 on.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0DWFSW47F |
| Best Sellers Rank | 138 in Electronics & Photo ( See Top 100 in Electronics & Photo ) 15 in Wearable Technology (Electronics & Photo) |
| Colour | White |
| Customer Reviews | 4.4 4.4 out of 5 stars (940) |
| Date First Available | 1 Mar. 2025 |
| GPS | No GPS |
| Item Weight | 0.55 g |
| Item model number | JZ98-54867 |
| Other display features | Wireless |
| Product Dimensions | 14 x 14 x 2.5 cm; 0.55 g |
| What’s in the box | Oura Ring 4 Sizing Kit |

## Images

![Ring 4 Sizing Kit - Size Before You Buy - Unique Sizing Classification for Smart Rings - Receive Credit for Purchase - Image 1](https://m.media-amazon.com/images/I/61NL606+M8L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ I'ts Always Good To Try Before You Buy!
*by C***R on 17 December 2025*

Nice to use at your leisure and get used to, get the best comfy fit as the ring is wider than a normal ring. Good ring sizer all round, I got it on sale so good value for money.

### ⭐⭐⭐⭐⭐ Perfect Fit, First Time: Oura Ring 4 Sizing Kit Review
*by A***N on 3 March 2025*

The Oura Ring 4 Sizing Kit is an essential first step for anyone considering this innovative smart ring. It takes the guesswork out of finding your perfect fit, ensuring a comfortable and accurate wearing experience. Key Features: Comprehensive Sizing: The kit includes a wide range of sizes to accommodate various finger shapes and sizes. Easy-to-Use: Clear instructions and a simple sizing method make it easy to determine your correct ring size. Unique Sizing Classification: Oura's unique sizing system ensures a precise fit specifically for their smart rings. Purchase Credit: The cost of the sizing kit is credited towards your Oura Ring 4 purchase, making it a worthwhile investment. Well-Packaged: The kit arrived well-packaged and organised, making it easy to find the right size. Overall: The Oura Ring 4 Sizing Kit provides a seamless and accurate way to find your perfect ring size. It's a must-have for anyone considering purchasing an Oura Ring, ensuring a comfortable and enjoyable experience from the start.

### ⭐⭐⭐⭐ Ring sizer
*by S***M on 23 July 2025*

The ring sizer is good for medium size but you have manly hands you are out of luck it goes to 15

## Frequently Bought Together

- Oura Ring 4 Sizing Kit - Size Before You Buy Oura Ring 4 - Unique Sizing - Receive Credit for Purchase
- Oura Ring Gen3 Sizing Kit-Size Before You Buy for Heritage and Horizon Rings-Measure Sizes 6-13 for Fit Before Purchasing, Sizes are Unique to Oura

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-03-19*