--- product_id: 705628063 title: "Smart Ring 4 sizing kit | Non-standard fit - size before you buy - measure for best comfort and accuracy - receive credit for purchase" price: "160 kr" currency: NOK in_stock: true reviews_count: 13 url: https://www.desertcart.no/products/705628063-smart-ring-4-sizing-kit-non-standard-fit-size-before store_origin: NO region: Norway --- # £10 credit towards Oura Ring 4 Precision sizing for perfect fit Smart Sensing tracks 30+ biometrics Smart Ring 4 sizing kit | Non-standard fit - size before you buy - measure for best comfort and accuracy - receive credit for purchase **Price:** 160 kr **Availability:** ✅ In Stock ## Summary > 📏 Size it right, track it tight — your health’s new best fit! ## Quick Answers - **What is this?** Smart Ring 4 sizing kit | Non-standard fit - size before you buy - measure for best comfort and accuracy - receive credit for purchase - **How much does it cost?** 160 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.no](https://www.desertcart.no/products/705628063-smart-ring-4-sizing-kit-non-standard-fit-size-before) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Wear It Your Way:** Fits any finger on either hand—size the exact finger for optimal data precision. - • **Find Your Perfect Fit:** Avoid guesswork with the Oura Ring 4 Sizing Kit—comfort and accuracy guaranteed. - • **Seamless Style & Comfort:** Lightweight, sleek, and durable titanium design that fits effortlessly into your lifestyle. - • **Gift the Future of Wellness:** The ideal present for loved ones to ensure their Oura Ring fits flawlessly from day one. - • **Unlock Smart Health Insights:** Prepare for advanced tracking of sleep, heart rate, stress, and more with your perfectly sized ring. ## Overview The Oura Ring 4 Sizing Kit is an essential pre-purchase tool designed to ensure your Oura Ring 4 fits perfectly, maximizing comfort and biometric accuracy. With precision sizing, it supports optimal tracking of over 30 health metrics powered by Smart Sensing technology. Purchase includes a £10 credit towards the ring, making it a smart, stylish, and practical step toward personalized wellness. ## Description Oura Ring 4 sizes are different than standard sizes. The Oura Ring 4 Sizing Kit is the best way to ensure a comfortable and accurate experience. Purchase an Oura Ring 4 Sizing Kit and receive a £10 credit towards your Oura Ring. Advanced health monitoring capabilities, including heart rate, sleep patterns, and activity tracking. Slip on your Oura Ring 4 and download the Oura App. New members get the first month of Oura Membership free, then it’s £5.99 per month. The Oura Ring 4 Sizing Kit is the best way to ensure an accurate experience. Sleek and comfortable, Oura Ring seamlessly fits into your life from a workout to a night out. Stay present without notifications on your wrist. Check the Oura App when you want to. Oura Ring 4 is fully titanium: one of the strongest metals on earth. Durable, lightweight, and water resistant. Oura Ring 4 delivers incredibly accurate data and personalised health insights to help you be at your best. The Oura Ring 4 Sizing Kit makes the perfect gift for your loved ones who want an Oura Ring 4 but you may not know their Oura Ring 4 size. ## Features - OURA RING 4 SIZING KIT - The Oura Ring 4 Sizing Kit helps you find the right size before purchasing. The custom sizer can be used by you or shared with others to determine a comfortable fit - SIZING KIT: Use the Oura Ring 4 Sizing Kit to find your best fit before purchasing an Oura Ring 4. The sizing kit is non-returnable. Terms and conditions apply. - ACCURACY - SMART SENSING - Oura tracks over 30 biometrics, including sleep, activity, stress, heart health, and women’s health metrics. Oura Ring 4 is powered by Smart Sensing, which adapts to you — delivering accurate, continuous data, day and night - 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 | 252 in Electronics & Photo (See Top 100 in Electronics & Photo) 34 in Wearable Technology (Electronics & Photo) | | Colour | White | | Customer Reviews | 4.6 4.6 out of 5 stars (1,466) 4.6 out of 5 stars | | Date First Available | 1 Mar. 2025 | | Gps | No GPS | | Guaranteed Software Updates Until | unknown | | Item Model Number | JZ98-54867 | | Item Weight | 0.55 g | | 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 ![Smart Ring 4 sizing kit | Non-standard fit - size before you buy - measure for best comfort and accuracy - receive credit for purchase - Image 1](https://m.media-amazon.com/images/I/61NL606+M8L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfect Fit, First Time: Oura Ring 4 Sizing Kit Review *by on Reviewed in the United Kingdom 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. ### ⭐⭐⭐⭐⭐ Brilliant little kit! *by on Reviewed in the United Kingdom 20 May 2026* Brilliant little kit! Saved me a fortune, I couldn't tolerate the bulkiness of the ring on my finger which was very good to know before buying the real thing! ### ⭐⭐⭐⭐⭐ Perfect fit *by on Reviewed in the United Kingdom 26 July 2026* Perfect for correct sizing ## 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.no/products/705628063-smart-ring-4-sizing-kit-non-standard-fit-size-before](https://www.desertcart.no/products/705628063-smart-ring-4-sizing-kit-non-standard-fit-size-before) --- *Product available on Desertcart Norway* *Store origin: NO* *Last updated: 2026-09-23*