--- product_id: 734025713 title: "Ring 4 - Silver - Size 14 - Smart Ring | Size First Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life" brand: "oura" price: "S$545" currency: SGD in_stock: true url: https://www.desertcart.sg/products/734025713-ring-4-silver-size-14-smart-ring-size-first-ring store_origin: SG region: Singapore --- # 8 days battery life 30+ biometric sleep & health metrics Water-resistant titanium design Ring 4 - Silver - Size 14 - Smart Ring | Size First Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life **Brand:** oura **Price:** S$545 **Availability:** ✅ In Stock ## Summary > 💍 Elevate your health game—wear the future on your finger. ## Quick Answers - **What is this?** Ring 4 - Silver - Size 14 - Smart Ring | Size First Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life by oura - **How much does it cost?** S$545 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/734025713-ring-4-silver-size-14-smart-ring-size-first-ring) ## 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 - • **Unplug & Go Freedom:** Up to 8 days of battery life means less charging, more living—stay connected without the tether. - • **Seamless Health Ecosystem:** Syncs effortlessly with 40+ apps like Apple Health, Strava, and Flo to keep your wellness data unified. - • **Precision Sizing, Perfect Fit:** Unique sizing kit ensures your Oura Ring fits flawlessly—no guesswork, just comfort. - • **Durable Elegance Meets Comfort:** Crafted from lightweight titanium, water-resistant and designed for 24/7 wear—even for sensitive skin. - • **All-Day, All-Night Smart Sensing:** Tracks 30+ biometrics including sleep, heart rate, stress, and women’s health with adaptive accuracy. ## Overview The Oura Ring 4 is a sleek, titanium smart ring designed for continuous 24/7 health tracking. It monitors over 30 biometric signals including sleep, heart rate, and stress with adaptive Smart Sensing technology. Featuring up to 8 days of battery life and water resistance, it offers durable comfort for all-day wear. Unique sizing ensures a perfect fit, and seamless integration with 40+ health apps makes it a powerful tool for proactive wellness management. ## Description Full description not available ## Features - SIZE BEFORE YOU BUY - Oura Ring 4 sizes are different from standard ring sizes. Size yourself with the Oura Ring 4 Sizing Kit and receive a $10 desertcart credit towards the future purchase of an Oura Ring 4. - OURA MEMBERSHIP - First month of membership is free with your purchase, $5.99/mo afterwards. Offer available to new members only. Or opt for the annual prepaid option for $69.99. Membership is tied to your account via the Oura App, not your physical ring. - 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. - LONG LASTING BATTERY - With up to 8 days of battery life, no screens and no vibrations, Oura Ring 4 allows you to focus on the present. From a workout to a night out — you’re free to forget it’s on. Until you start getting compliments. - DESIGNED FOR 24/7 WEAR - The updated design of the Oura Ring 4 is more comfortable, fits better than ever, and is water resistant. The first all-titanium smart ring combines exceptional durability with a gentle touch, even for sensitive skin. - SYNC WITH YOUR FAVORITE APPS - Compatible with iOS and Android — Oura seamlessly integrates with over 40 apps including Apple Health, Google Health Connect, Natural Cycles, Flo, Strava, & more. - HSA/FSA ELIGIBLE - We can accept HSA or FSA funds for the following: Oura Ring, additional chargers, and shipping. - LOOKING FOR THE BEST HEALTH TRACKER? - Whether you’re searching for a sleep ring or fitness ring, Oura Ring 4 is for you — this revolutionary smart ring that allows you to discreetly track your sleep, activity, recovery and stress — in style. ## Technical Specifications | Specification | Value | |---------------|-------| | Brand | OURA | | Manufacturer | Oura | | Model | JZ90-54217-14 | | Product Dimensions | 2.4 x 2.4 x 0.8 cm; 191 g | | Batteries | 1 Lithium Polymer batteries required. (included) | | Item model number | JZ90-54217-14 | | Compatible Devices | Smartphone | | Mounting Hardware | Oura Ring 4, Oura Ring 4 Charger, USB Cable, Information Booklet, Quick Start Guide | | Number of items | 1 | | Display Type | Analog | | Batteries Included | Yes | | Batteries Required | Yes | | Battery cell composition | Lithium Polymer | | Wireless Type | Bluetooth | | Connector Type | Bluetooth | | Includes Rechargeable Battery | Yes | | Manufacturer | Oura | | Item Weight | 191 g | ## Product Details - **Wireless Communication Standard:** Bluetooth - **Battery Cell Composition:** Lithium Polymer - **Brand:** OURA - **Colour:** Silver - **Age Range (Description):** Adult ## Images ![Ring 4 - Silver - Size 14 - Smart Ring | Size First Ring 4 Sizing Kit | Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days Battery Life - Image 1](https://m.media-amazon.com/images/I/61FTYzxTpoL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Questions & Answers **Q: How long should my ring work between charges?** A: Oura Ring 4 typically lasts 5-8 days on a full charge, depending on usage. Contact Oura Member Care if you have questions or concerns with battery life, and they will ensure your problem is resolved **Q: How do I choose the right Oura Ring size?** A: Using the Oura Ring 4 Sizing Kit, choose a finger for your ring. We recommend the index, middle or ring finger. Wear the sizer ring for 24 hours to ensure the fit is secure and comfortable over the course of your day. **Q: What's included?** A: Oura Ring 4, Oura Ring 4 Charger, and USB-C Cable. **Q: How do I see my Oura Ring metrics?** A: After activating your Oura Ring, you can choose a monthly or annual membership to unlock full access to Oura’s features, daily health and wellness metrics, and personalized guidance. **Q: Can I use more than one ring?** A: Oura Members can now connect more than one Oura Ring 4 to their Oura App and quickly switch between them. Note, this feature only supports wearing and syncing data from one active Oura Ring at a time. ## Frequently Bought Together - Oura Ring 4 - Silver - Size 14 - Smart Ring - Size First with Oura Ring 4 Sizing Kit - Sleep Tracking Wearable - Heart Rate - Fitness Tracker - Up to 8 Days of Battery Life - sylacor Ring Cover for Oura Ring Gen 4/ Gen 3, Anti-Scratch Elastic Silicone Oura Ring Case Protector for Men Women Working Out Gym --- ## 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.sg/products/734025713-ring-4-silver-size-14-smart-ring-size-first-ring](https://www.desertcart.sg/products/734025713-ring-4-silver-size-14-smart-ring-size-first-ring) --- *Product available on Desertcart Singapore* *Store origin: SG* *Last updated: 2026-05-04*