# Oura Ring 4 Ceramic Midnight Size 5 | Smart Ring for Sleep, Activity, Women’s Health **Brand:** OURA **SKU:** ue9192 **ASIN:** B0FKQY144N **Canonical URL:** https://crowcrowcrow.com/p/oura-ring-ceramic-midnight-size-sleep-activity-women-health-advisor-days-battery-life-ue9192/ue9192 **Category:** electronics **Subcategory:** Wearable Technology **Availability:** in_stock **Price (INR, all-inclusive):** ₹56,379 **Discount:** 19% **Customer rating:** 4.10/5 from 10 ratings ## Description Oura Ring 4 Ceramic Midnight (Size 5) offers advanced sleep, activity, and women's health tracking with Smart Sensing. Comfortable, lightweight ceramic design with up to 8 days battery. Imported from USA, duties included, arrives {{ccc_delivery_eta}}. ## Highlights - Comfortable All-Day Wear — Forget you're wearing it with its lightweight, ergonomic design. The smooth ceramic finish is gentle on skin, making it ideal for 24/7 tracking, including sleep. - Up to 8-Day Battery Life — Focus on your health without constant charging. A single charge lasts up to 8 days, providing continuous data without screen distractions or vibrations. - Actionable Health Insights — Track over 50 metrics like sleep stages, readiness, and activity. Understand your body's signals and make informed decisions for better well-being. - Durable Ceramic Design — The high-performance ceramic exterior is sleek and modern, designed to complement your style while offering everyday durability. Includes a polishing pad for maintenance. ## Key features - ACCURACY - SMART SENSING - Oura tracks over 50 health metrics, 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 - ACCURATE SIZING ESSENTIAL - Oura Ring 4 uses unique sizing different from standard jewelry rings; use the Oura Ring 4 Sizing Kit to find your perfect fit before purchasing - 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 - OURA MEMBERSHIP - First month of membership is included with purchase, for new members only. Subscription is 5.99/mo afterwards. Membership is tied to your account via the Oura App, not your physical ring - HSA/FSA ELIGIBLE - We can accept HSA or FSA funds for the following: Oura Ring, additional chargers, and shipping ## Why choose this product - Advanced Health Tracking from USA — The Oura Ring 4 Ceramic offers a sophisticated approach to personal health monitoring. Its Smart Sensing technology provides accurate, continuous data on sleep, activity, readiness, and women's health. Unlike many local wearables, it focuses on deep, actionable insights rather than just raw numbers. Imported directly from authorized US retailers, this ring ensures you receive the same cutting-edge technology trusted by users worldwide. The first month of Oura Membership is included for new users, unlocking the full potential of your health data. - Who It's For vs. Who Should Skip It — This ring is ideal for individuals seeking detailed, non-intrusive health tracking, especially those interested in sleep quality, recovery, and overall wellness. It's perfect for busy professionals, active individuals, or anyone wanting to understand their body better without a smartwatch. Skip it if you require real-time notifications or a screen interface on your wearable, as the Oura Ring operates discreetly. Also, ensure you use the Oura Ring Sizing Kit before purchase, as non-standard sizing means a correct fit is crucial for accuracy and comfort. ## How to use 1. Use the Oura Ring Sizing Kit to find your perfect fit before purchasing. A snug, comfortable fit is crucial for accurate sensor readings and data collection. — Ensure Correct Sizing 2. Wear the ring on your finger 24/7, including during sleep. The recessed sensors will passively collect data on your sleep, activity, and body signals. — Wear Continuously 3. Sync the ring with the Oura App (available for Android and iOS) daily via Bluetooth. The app will display your health metrics and provide personalized insights. — Sync with Oura App 4. Explore your sleep, activity, and readiness scores in the app. The first month of Oura Membership is included for new users, unlocking full data analysis. — Review Insights & Membership ## Product details | Field | Value | |---|---| | Sensing Technology | Smart Sensing | | Health Metrics Tracked | Sleep, Activity, Readiness, Stress, Heart Health, Metabolic Health, Women's Health, & 50+ others | | Battery Life | Up to 8 days | | Charging Time | Approx. 60-90 minutes | | Connectivity | Bluetooth Low Energy | | App Compatibility | Android & iOS | | Membership Required | Yes (first month included for new members) | | Directions | Wear on finger, sync with Oura App. Use Oura Ring Sizing Kit for accurate fit before purchase. | | Frequency | Continuous tracking, sync daily | | Recommended Use | Daily wear for comprehensive health monitoring | | Contraindications | Ensure correct sizing; use caution with metal objects to prevent minor scuffs on ceramic finish. | | Allergens / Common Irritants | Recessed sensors designed for sensitive skin; material composition not specified for common allergens. | | Cost per use | Calculated based on {{ccc_offer_price}} and ring lifespan. Daily cost is low for continuous health insights. | | Shelf life after opening | N/A (Durable electronic device) | | Reapplication math | N/A (Wearable device) | | Brand | Oura | | Model | JZ90-57455-05 | | Color | Midnight Ceramic | | Size | 5 (US non-standard) | | Material | Ceramic exterior, Recessed sensors | | Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers | | Weight | Approx. 4-6g (varies by size) | | Dimensions | Ring width: ~7.9mm, Thickness: ~2.6mm (approx.) | ## Attributes - **Unit count:** 1 ## Frequently asked questions ### How is this Oura Ring 4 authentic vs the version sold in Indian stores? Sourced directly from authorized US retailers, factory-sealed, and imported per-order. It's the same SKU and technology US buyers receive. All customs duties and GST are included in the displayed price. Delivery is typically {{ccc_delivery_eta}} via ExpressBox tracked shipping. ### Will the version I receive match what is shown on the US retailer's page? Yes, orders are placed against the listed US retailer page at the time of purchase. Batch codes, packaging, and labels match what the US retailer dispatches. Photographs of every order are taken before international handover for verification. ### Is Oura Ring 4 safe for daily wear and health monitoring? Yes, the Oura Ring 4 is designed for continuous wear, including sleep. Its recessed sensors are gentle on sensitive skin, and it tracks over 50 health metrics without screens or vibrations, providing actionable insights. ### Are Oura Rings healthy to wear, or are there side effects? The Oura Ring is designed with comfort and safety in mind, using recessed sensors gentle on skin. It tracks biometrics passively and does not emit disruptive signals like screens or vibrations, making it a healthy way to monitor your well-being. ### How to choose the correct size for Oura Ring 4? Accurate sizing is essential as Oura Rings use unique sizing different from standard jewelry. It is highly recommended to use the Oura Ring 4 Sizing Kit to find your perfect fit before purchasing to ensure comfort and data accuracy. ### How to use the Oura Ring 4 for health tracking? Wear the ring on your finger and sync it daily with the Oura App. The ring passively collects data on sleep, activity, and readiness, which is then analyzed and presented in the app for actionable insights. ### What is the best Oura Ring 4 for sleep and activity tracking? The Oura Ring 4, particularly the Ceramic Midnight model in size 5, is highly regarded for its accurate sleep and activity tracking. Its Smart Sensing technology and comfortable design make it ideal for continuous monitoring. ### Can I use Oura Ring 4 daily without issues? Yes, the Oura Ring 4 is designed for daily wear, offering up to 8 days of battery life. Its lightweight, screen-free design ensures comfort and minimal interruption, allowing you to focus on your health insights. ### What are the benefits of wearing an Oura Ring? The Oura Ring provides comprehensive health insights, including detailed sleep analysis, readiness scores, activity tracking, and women's health metrics. It helps users understand their body's signals and make informed decisions for better well-being. ## Compliance FSA/HSA eligible in the US. No specific Indian regulatory compliance required beyond standard import laws. Ensure user understands non-standard sizing for optimal fit and function. ## Images 1. https://images.crowcrowcrow.com/B0FKQY144N-0.webp 2. https://images.crowcrowcrow.com/B0FKQY144N-1.webp 3. https://images.crowcrowcrow.com/B0FKQY144N-2.webp 4. https://images.crowcrowcrow.com/B0FKQY144N-3.webp 5. https://images.crowcrowcrow.com/B0FKQY144N-4.webp 6. https://images.crowcrowcrow.com/B0FKQY144N-5.webp --- Source: https://crowcrowcrow.com/p/oura-ring-ceramic-midnight-size-sleep-activity-women-health-advisor-days-battery-life-ue9192/ue9192 Returns: 30 days, free, by mail. Shipping: Free across India, 7–13 business days. Prices are all-inclusive (duties + GST).