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Item #:
171973678
New Oura Ring 4 Sizing Kit - Size Before You Buy the OR4 - Unique Sizing - Gen 4
87% of respondents would recommend this to a friend
Item #:
171973678
FJD 38
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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In stock
Imported from USA store
QTY:
Only 14 items left in stock.
Order now and get it around Sunday, October 04
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Our Top Logistics Partners
Prioritize comfort, go up. In between sizes? Go down for snug fit and more accurate sensor readings.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Accurate Sizing
The Oura Ring 4 Sizing Kit ensures perfect fitment before purchase, alleviating the common problem of incorrect sizing and minimizing returns.
User-Friendly
Designed with simplicity in mind, the kit allows users to easily determine their ideal ring size, making the buying process seamless and stress-free.
Comprehensive Options
Includes multiple sizing options to cater to various finger sizes, ensuring that every potential user can find their perfect fit, enhancing comfort and wearability.
Product Details
| Number of Items in Set | 12 |
| Size | 4-15 |
| Color | White |
| Indoor/Outdoor | Indoor/Outdoor |
| Material | Plastic |
| MPN | JZ98-54869, CT2962VWTX, JZ98-56085, JZ98-54871 |
| Brand | oura |
| Type | Activity Tracker |
| Department | Unisex Adults |
| Language | English |
| Model | Oura Ring 4 |
| Body Area | Hand |
| Sport/Activity | Running & Jogging |
| Country of Origin | China |
| UPC | 6430060152304 |
| Package Weight | 1 Pound |
Who Should Buy?
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Health Enthusiasts
Individuals focused on tracking their health and sleep metrics accurately will benefit greatly from precise sizing.
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Fashion-Conscious Users
Users who prioritize both functionality and aesthetics will appreciate the perfect fit of the Oura Ring.
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Tech-Savvy Consumers
Those familiar with wearable technology will find the Oura Ring's features beneficial when correctly sized.
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Casual Users
Individuals uninterested in precise health tracking may not find the need for the Oura Ring or sizing kit.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What sizes are included in the Oura Ring 4 Sizing Kit?
Answer: The kit includes 12 different sizes for your convenience. -
Question:
How do I know which size to choose?
Answer: If you're in between sizes, you can go down for a snug fit or go up for more comfort. -
Question:
Is the product brand new?
Answer: Yes, the Oura Ring 4 Sizing Kit is brand new and factory sealed.
oura Editorial Review
New Oura Ring 4 Sizing Kit - Size Before You Buy The OR4 - Unique Sizing - Gen 4 is designed to ensure you find the perfect fit for your Oura ring, catering to sizes 4-15. With 12 distinct sizing options included, this kit helps you confidently assess which size works best for your hand, making it ideal for both indoor and outdoor activities like running and jogging. Users appreciate how simple and effective the sizing process is, allowing them to experience the benefits of the Oura Ring without the worry of choosing the wrong size.
Customer Reviews & Ratings
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Pros
- Includes 12 distinct sizing options for perfect fit
- Suitable for sizes ranging from 4 to 15
- Ideal for both indoor and outdoor activities
- Makes sizing hassle-free and straightforward
- Helps avoid sizing errors before purchase
Cons
- Material may feel different compared to the actual ring
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
H
Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
O
Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
AC
Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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FJD 38
Order now and get it around Sunday, October 04
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 14 items left in stock.
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Brand new Oura Ring 4 Sizing Kit.
- Includes 12 different sizes for optimal fitting.
- Factory sealed for guaranteed quality.
- Helps ensure accurate sensor readings.
- Comfort-focused sizing options available.
- Directly sourced from authorized retailers or manufacturers.
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Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.