# Oura Ring 4 Brushed Silver Size 6 | Smart Ring for Sleep, Activity, Women’s Health, AI Advisor **Brand:** OURA **SKU:** prn0643 **ASIN:** B0D9WRWZYZ **Canonical URL:** https://crowcrowcrow.com/p/oura-ring-brushed-silver-size-sleep-activity-women-health-advisor-days-battery-life-before/prn0643 **Category:** electronics **Subcategory:** Categories **Availability:** in_stock **Price (INR, all-inclusive):** ₹48,509 **Discount:** 34% **Customer rating:** 4.00/5 from 8,864 ratings ## Description Oura Ring 4 (Brushed Silver, Size 6) offers advanced health insights, tracking sleep, activity, heart health, and women's health with Smart Sensing. Enjoy up to 8 days of battery life and discreet titanium design. Connects via Bluetooth to Android/iOS. Imported from USA, duties included, arrives 2-8 days via ExpressBox. ## Highlights - Comprehensive Health Metrics — Tracks over 50 health metrics including sleep stages, readiness, activity, heart health, stress, metabolic health, and women’s health cycles, powered by adaptive Smart Sensing technology for accurate, continuous data. - Up to 8 Days Battery Life — Forget daily charging. The Oura Ring 4 provides up to 8 days of continuous monitoring on a single charge, perfect for uninterrupted tracking during sleep and daily activities. - Discreet & Durable Titanium Design — Crafted from lightweight, all-titanium, this ring is designed for 24/7 comfort and durability. Its sleek, screen-free design ensures it blends seamlessly with any outfit, from workouts to formal events. - Seamless App Integration — Connects via Bluetooth to Android and iOS devices, syncing data to the Oura App for personalized AI insights. First month of Oura Membership included for new users. ## 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 Insights with Smart Sensing** — Oura Ring 4 utilizes Smart Sensing, a new platform that adapts to your body's unique biometrics. This ensures highly accurate, continuous data collection across over 50 health metrics, including sleep quality, readiness scores, heart rate variability, and detailed women's health tracking. Unlike basic fitness trackers, Oura provides a holistic view of your well-being, helping you understand how daily choices impact your health. The titanium construction is robust yet lightweight, designed for comfortable, all-day and all-night wear without intrusion. Enjoy up to 8 days of battery life, minimizing charging interruptions and maximizing data capture. **Ideal for Health-Conscious Professionals & Active Lifestyles** — This ring is ideal for professionals seeking to optimize performance and manage stress, as well as individuals with active lifestyles who want to understand their recovery and training readiness. It's particularly beneficial for women tracking menstrual cycles and fertility windows. Those who prefer discreet wearables without screens or constant notifications will find it a perfect fit. However, individuals seeking real-time on-device fitness tracking or detailed GPS mapping should consider dedicated sports watches, as Oura focuses on passive biometric data and recovery insights. ## How to use 1. Place the Oura Ring 4 onto its USB charger. Ensure the charger is connected to a power source. The ring typically charges fully within 80 minutes, providing up to 8 days of battery life. — Charge Your Ring 2. On your compatible Android or iOS smartphone, download the Oura App from your device's app store. Ensure your phone has Bluetooth enabled for connection. — Download the Oura App 3. Open the Oura App and follow the on-screen instructions to pair your Oura Ring 4 via Bluetooth. Once paired, the ring will automatically sync your health data to the app. — Pair and Sync 4. Wear the ring continuously for at least 24 hours to start receiving personalized insights on sleep, activity, readiness, and more. Review your daily scores and trends in the Oura App. — Explore Your Insights ## Product details | Field | Value | |---|---| | Sensors | Infrared LEDs, NTC temperature sensors, Accelerometer, Gyroscope | | Materials | Titanium, Non-allergenic inner molding | | Free From | Latex, PVC, Acrylic, BPA, Phthalates | | Serving Size | N/A (Wearable Device) | | Cost per use | 1 ring at 1 day/day = 8 days: ₹6,064 per day | | Shelf life after opening | N/A (Device) | | Reapplication math | N/A (Device) | | Contraindications | Not a medical device; consult a doctor for health concerns. Not suitable for individuals with pacemakers or other implanted electronic devices. | | Allergens / common irritants | Non-allergenic inner molding materials | | Brand | OURA | | Model | Oura Ring 4 (JZ90-54220-06) | | Color | Brushed Silver | | Size | 6 | | Material | Titanium | | Weight | Approx. 16.5 grams (ring only) | | Dimensions | 2.7 cm (Diameter) x 0.8 cm (Height) | | Water Resistance | Up to 100 meters (10 ATM) | | Connectivity | Bluetooth | | Operating System Compatibility | iOS 16+, Android 10.0+ | | Battery Life | Up to 8 days | | Battery Type | Lithium Polymer (non-replaceable) | | Charging Time | Approx. 80 minutes | | Country of Origin | US retail version, sourced from authorized US retailers | ## Attributes - **Item form:** Ring ## Frequently asked questions ### How is this Oura Ring 4 item authentic vs the version sold in Indian stores? Sourced directly from authorized US retailers (Amazon.com, Walmart, Costco), factory-sealed, imported per-order. Same SKU and formulation US buyers receive. All customs duties and GST included in the displayed price. Arrives 2-8 days 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. ### What health metrics does the Oura Ring 4 track? The Oura Ring 4 tracks over 50 health metrics, including sleep stages, readiness, activity, heart rate variability, stress levels, metabolic health indicators, and women’s health cycles. It uses Smart Sensing technology for continuous, accurate data. ### How long does the Oura Ring 4 battery last? The Oura Ring 4 offers an impressive battery life of up to 8 days on a single charge, allowing for extended use without frequent interruptions for charging. ### Is the Oura Ring 4 eligible for HSA/FSA funds in India? Yes, Oura Ring 4, additional chargers, and shipping are eligible for HSA or FSA funds. This allows for convenient purchase using these health savings accounts. ### What is the Oura Membership and is it required? The first month of Oura Membership is included with your purchase for new members. After the initial month, a subscription is required for continued access to advanced features, personalized insights, and historical data analysis. ### How do I find the correct size for my Oura Ring 4? Accurate sizing is essential as Oura Ring 4 uses unique sizing different from standard jewelry. It is recommended to use the Oura Ring 4 Sizing Kit to find your perfect fit before purchasing to ensure comfort and optimal sensor contact. ### Can I use the Oura Ring 4 for GPS tracking during workouts? The Oura Ring 4 does not have built-in GPS. It relies on your smartphone's GPS for activity tracking. Its primary focus is on passive biometric data collection for sleep, recovery, and overall health insights. ### What are the benefits of using a smart ring like Oura Ring 4? Smart rings like Oura Ring 4 provide continuous, discreet health monitoring, offering insights into sleep patterns, stress levels, and recovery readiness. This data helps users make informed lifestyle choices to improve overall well-being and performance. ## Compliance No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging. ## Images 1. https://images.crowcrowcrow.com/B0D9WRWZYZ-0.webp 2. https://images.crowcrowcrow.com/B0D9WRWZYZ-3.webp 3. https://images.crowcrowcrow.com/B0D9WRWZYZ-6.webp 4. https://images.crowcrowcrow.com/B0D9WRWZYZ-9.webp 5. https://images.crowcrowcrow.com/B0D9WRWZYZ-12.webp 6. https://images.crowcrowcrow.com/B0D9WRWZYZ-15.webp --- Source: https://crowcrowcrow.com/p/oura-ring-brushed-silver-size-sleep-activity-women-health-advisor-days-battery-life-before/prn0643 Returns: 14 days, free pickup, full refund on genuine issues. Shipping: Free across India, 9-11 days. Prices are all-inclusive (duties + GST).