# Oura Ring 4 Smart Ring Stealth Size 5 | Accurate Sleep & Activity Tracking **Brand:** OURA **SKU:** fg3183 **ASIN:** B0D9WWLN7H **Canonical URL:** https://crowcrowcrow.com/p/oura-ring-stealth-size-sleep-activity-women-health-advisor-days-battery-life-before-buy/fg3183 **Category:** electronics **Subcategory:** Wearable Technology **Availability:** in_stock **Price (INR, all-inclusive):** ₹49,393 **Discount:** 14% **Customer rating:** 4.83/5 from 6 ratings ## Description Oura Ring 4 (Stealth, Size 5) offers advanced Smart Sensing for sleep, activity, and women's health. With up to 8 days of battery life and a comfortable, durable design, it provides accurate insights into over 50 health metrics. Imported directly from USA retailers, all customs duties and GST are included. Arrives {{ccc_delivery_eta}} via ExpressBox tracked shipping. ## Highlights - Up to 8 Days Battery Life — Focus on your health without constant charging. The long-lasting battery ensures continuous tracking from workouts to sleep, minimizing interruptions and maximizing insights. - Accurate Sleep & Readiness Tracking — Monitors sleep stages, heart rate variability, and body temperature to provide detailed insights into your sleep quality and daily readiness score. - Comprehensive Health Metrics — Tracks over 50 health metrics including activity, heart health, stress, metabolic health, and women’s health, offering a holistic view of your well-being. - Durable & Discreet Titanium Design — Crafted from all-titanium, the ring is comfortable for 24/7 wear, including during sleep and workouts, without feeling like a bulky device. ## 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 - Oura Ring 4 utilizes Smart Sensing to adapt to your body, delivering precise data on sleep, activity, and vital health metrics. This USA-imported device provides a deeper understanding of your well-being than many local alternatives, which may offer only basic tracking. Its continuous monitoring helps identify patterns and potential issues before they become significant, empowering you with actionable health intelligence. — Advanced Smart Sensing for Deeper Health Insights - This ring is perfect for individuals who dislike wearing wristwatches or smartwatches, offering a comfortable and unobtrusive way to track health. It's well-suited for professionals, students, and anyone seeking detailed sleep and readiness insights without a screen. Those who prioritize comfort during sleep and daily activities, and prefer a device that blends seamlessly with their style, will find it ideal. Individuals sensitive to wrist-worn devices or those needing a subtle health tracker will benefit most. — Ideal for Discreet Health Monitoring ## How to use 1. Use the Oura Ring 4 Sizing Kit to determine your perfect fit. This is crucial for accurate sensor readings and comfortable wear. The kit cost is discounted from your ring purchase. — Size Your Finger 2. Wear the Oura Ring 4 on your finger, ensuring the sensors on the underside make good contact with your skin. It's designed for 24/7 wear, including during sleep and workouts. — Wear the Ring 3. Download the Oura App on your compatible Android or iOS device. Sync the ring via Bluetooth daily to view your sleep, activity, readiness, and other health insights. — Sync with Oura App 4. The Oura Ring 4 offers up to 8 days of battery life. When the battery is low, place it on the included charger for a quick recharge. — Charge as Needed ## Product details | Field | Value | |---|---| | Sensors | Infrared LEDs, NTC temperature sensors, Accelerometer | | Water Resistance | Up to 100m (10 ATM) | | Directions | Wear on finger, sync with Oura App daily for insights. Charge as needed. | | Frequency | Continuous tracking, sync daily. | | Cost per use | Calculated based on {{ccc_offer_price}} and ring lifespan. Membership fee applies after first month. | | Shelf life after opening | N/A (Durable product) | | Reapplication math | N/A (Durable product) | | Contraindications | Individuals requiring precise sports-specific metrics (e.g., GPS tracking, real-time workout stats) may prefer a smartwatch. Ensure correct sizing before purchase. | | Allergens / common irritants | Titanium is generally hypoallergenic. Consult manufacturer for specific material details if you have known sensitivities. | | Brand | Oura | | Model | JZ90-54218-05 | | Color | Stealth | | Size | 5 | | Material | Titanium | | Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers | | Battery Life | Up to 8 days | | 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 is the same SKU and formulation US buyers receive. All customs duties and GST are included in the displayed price. It arrives {{ccc_delivery_eta}} via ExpressBox tracked shipping. ### Will the Oura Ring 4 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. ### Is Oura Ring 4 safe to wear daily? Yes, the Oura Ring 4 is designed for continuous daily wear, including sleep. It uses infrared LEDs and sensors that are safe for skin contact and do not emit disruptive light when worn correctly. ### Are Oura Ring 4 healthy? The Oura Ring 4 provides data to help you understand and improve your health metrics like sleep, activity, and stress. It is a tool for health awareness, not a medical device. ### How to choose Oura Ring 4 size? Accurate sizing is essential. Oura Ring 4 uses unique sizing different from standard jewelry. Use the Oura Ring 4 Sizing Kit to find your perfect fit before purchasing. The kit cost is discounted from your ring purchase. ### How to use Oura Ring 4? Wear the ring on your finger and sync it with the Oura App daily via Bluetooth. The app provides insights into sleep, activity, readiness, and other health metrics. Charge the ring when the battery is low. ### What is the best Oura Ring 4? The Oura Ring 4 offers advanced Smart Sensing for comprehensive health tracking. Key features include up to 8 days of battery life, accurate sleep and readiness scores, and a durable titanium design. ### Can I use Oura Ring 4 daily? Yes, the Oura Ring 4 is designed for continuous daily wear to track your sleep, activity, and overall health metrics. Its comfortable design makes it suitable for 24/7 use. ### Oura Ring 4 side effects? The Oura Ring 4 is generally well-tolerated. Some users may experience minor skin irritation if the ring is too tight or not kept clean. Ensure proper sizing and hygiene. ### Oura Ring 4 benefits? Benefits include improved sleep quality, better readiness scores, insights into activity levels, stress management, and tracking of women's health metrics. It helps users understand their body's signals for better health management. ### Best smart wearable rings for Indian climate? The Oura Ring 4 is made of durable titanium and designed for continuous wear, making it suitable for various climates. Its focus on sleep and readiness tracking is beneficial regardless of external weather conditions. ## 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/B0D9WWLN7H-0.webp 2. https://images.crowcrowcrow.com/B0D9WWLN7H-1.webp 3. https://images.crowcrowcrow.com/B0D9WWLN7H-2.webp 4. https://images.crowcrowcrow.com/B0D9WWLN7H-3.webp 5. https://images.crowcrowcrow.com/B0D9WWLN7H-4.webp 6. https://images.crowcrowcrow.com/B0D9WWLN7H-5.webp --- Source: https://crowcrowcrow.com/p/oura-ring-stealth-size-sleep-activity-women-health-advisor-days-battery-life-before-buy/fg3183 Returns: 30 days, free, by mail. Shipping: Free across India, 7–13 business days. Prices are all-inclusive (duties + GST).