# Oura Ring 4 Smart Ring Brushed Silver Size 8 | Accurate Health Tracking for Women & Men **Brand:** OURA **SKU:** gn0917 **ASIN:** B0D9WVYHL6 **Canonical URL:** https://crowcrowcrow.com/p/oura-ring-smart-brushed-silver-size-sleep-activity-womens-health-advisor-days-battery-life/gn0917 **Category:** electronics **Subcategory:** Wearable Technology **Availability:** in_stock **Price (INR, all-inclusive):** ₹34,859 **Discount:** 21% **Customer rating:** 4.83/5 from 6 ratings ## Description Oura Ring 4 (Brushed Silver, Size 8) offers advanced health insights, tracking sleep, activity, and women's health with Smart Sensing. Imported from USA, it boasts up to 8 days battery life and a comfortable, durable design. Delivered to India within {{ccc_delivery_eta}}. ## Highlights - Accurate Sleep & Health Metrics — Tracks over 50 health metrics including sleep stages, heart rate variability, and body temperature with Smart Sensing technology for precise, continuous data. - Up to 8-Day Battery Life — Focus on your day without constant charging; the long-lasting battery ensures uninterrupted health monitoring for up to a week on a single charge. - Durable & Comfortable Design — Crafted from all-titanium with a brushed silver finish, this ring is lightweight, comfortable for 24/7 wear, and designed to withstand daily activities. - Women's Health & Stress Tracking — Provides insights into menstrual cycles, including predictive patterns, and monitors stress levels, offering a holistic view of your well-being. ## 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 to deliver highly accurate biometric data, adapting to your body's unique signals. Unlike basic trackers, it provides deep insights into sleep quality, readiness, stress, and metabolic health, empowering you to make informed decisions about your lifestyle. The all-titanium construction ensures it's comfortable for continuous wear, even during sleep, and the long battery life means less charging and more tracking. The Oura App translates complex data into actionable trends, helping you optimize your daily routines for better health outcomes. - Ideal for Active Lifestyles & Health-Conscious Individuals — This smart ring is perfect for individuals who prefer a discreet, non-intrusive health tracker over a smartwatch, especially those who dislike wrist-worn devices. Its durable, lightweight design makes it suitable for daily wear, workouts, and sleep. Those focused on understanding their sleep patterns, managing stress, or tracking women's health cycles will find immense value. However, if your primary need is real-time GPS tracking for intense outdoor sports or frequent app notifications, a dedicated smartwatch might be a better fit. Users sensitive to small electronic lights might also consider covering the ring at night. ## How to use 1. Before purchasing, use the Oura Ring 4 Sizing Kit to accurately measure your finger. Select the size that fits comfortably and securely, as proper fit is crucial for accurate sensor readings. — Find Your Perfect Fit 2. Wear the Oura Ring 4 on your finger at all times, including during sleep. Ensure the sensors on the underside maintain good contact with your skin for optimal data collection. — Wear Continuously 3. Download the Oura App on your Android or iOS device. Pair the ring via Bluetooth and sync your data regularly to view sleep, activity, readiness, and health insights. — Sync with Oura App 4. Review your daily scores and trends in the Oura App. Utilize the insights on sleep, stress, and activity to make informed lifestyle adjustments for improved well-being. — Understand Your Data ## Product details | Field | Value | |---|---| | Sensors | Infrared LEDs, NTC temperature sensors, Accelerometer | | Free From | Oxybenzone (N/A for electronics) | | Recommended Use | Sleep tracking, activity monitoring, heart health, stress, metabolic health, women's health | | Application Frequency | Continuous wear | | Membership | First month included, then {{ccc_offer_price}} per month | | Cost per use | Calculated based on {{ccc_offer_price}} and ring lifespan | | Shelf life after opening | N/A (Durable electronic device) | | Reapplication math | N/A (Durable electronic device) | | Contraindications | May not be suitable for heavy weightlifting due to coating; small lights may disturb very light sleepers. | | Allergens / common irritants | Titanium (hypoallergenic) | | Brand | Oura | | Model | JZ90-54220-08 | | Color | Brushed Silver | | Size | 8 | | Material | Titanium | | Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers | | Battery Life | Up to 8 days | | Connectivity | Bluetooth | | App Compatibility | Android & iOS | ## Attributes - **Unit count:** 1 ## Frequently asked questions ### How is this Oura Ring 4 authentic vs the version sold in Indian stores? This Oura Ring 4 is sourced directly from authorized US retailers, factory-sealed, and imported per-order. It matches the SKU and specifications US buyers receive. All customs duties and GST are included in the displayed price, with delivery typically within {{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 this Oura Ring 4 safe to wear daily? Yes, the Oura Ring 4 is designed for continuous daily wear, including sleep. Its all-titanium construction is lightweight and comfortable, and it uses light sensors for tracking, not disruptive vibrations or screens. ### Are Oura Rings healthy to wear? The Oura Ring 4 is designed to monitor and provide insights into your health metrics, including sleep, activity, and stress, to help you understand and improve your well-being. It is not a medical device. ### How to choose the correct Oura Ring 4 size? Accurate sizing is essential. Oura Ring 4 uses a unique sizing system different from standard jewelry. It is recommended to use the Oura Ring 4 Sizing Kit to find your perfect fit before purchasing the ring. ### How to use the Oura Ring 4? Wear the ring continuously on your finger. Sync it with the Oura App via Bluetooth to view your sleep, activity, and health data. The app provides daily insights and trends based on your tracked metrics. ### What is the best Oura Ring 4? The Oura Ring 4 is the latest model, featuring Smart Sensing for enhanced accuracy across over 50 health metrics, including sleep, readiness, and women's health, with up to 8 days of battery life. ### Can I use Oura Ring 4 daily? Yes, the Oura Ring 4 is designed for continuous daily wear. Its durable, comfortable design and long battery life allow for uninterrupted tracking of your health metrics throughout the day and night. ### What are the side effects of Oura Ring 4? The Oura Ring 4 is generally well-tolerated. Some users may find the small indicator lights disruptive in dark rooms, or the ring's bulkiness noticeable during heavy weightlifting. It is made from hypoallergenic titanium. ### What are the benefits of Oura Ring 4? Benefits include accurate tracking of sleep, activity, heart health, stress, and women's health metrics. It provides personalized insights to improve sleep quality, manage stress, and understand your body's readiness, all with up to 8 days of battery life. ## 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/B0D9WVYHL6-0.webp 2. https://images.crowcrowcrow.com/B0D9WVYHL6-1.webp 3. https://images.crowcrowcrow.com/B0D9WVYHL6-2.webp 4. https://images.crowcrowcrow.com/B0D9WVYHL6-3.webp 5. https://images.crowcrowcrow.com/B0D9WVYHL6-4.webp 6. https://images.crowcrowcrow.com/B0D9WVYHL6-5.webp --- Source: https://crowcrowcrow.com/p/oura-ring-smart-brushed-silver-size-sleep-activity-womens-health-advisor-days-battery-life/gn0917 Returns: 30 days, free, by mail. Shipping: Free across India, 7–13 business days. Prices are all-inclusive (duties + GST).