# OURA Ring 4 Stealth Size 4 Smart Ring | Sleep, Activity, Women’s Health, AI Advisor **Brand:** OURA **SKU:** ph5528 **ASIN:** B0D9WTY8FM **Canonical URL:** https://crowcrowcrow.com/p/oura-ring-stealth-size-sleep-activity-women-health-advisor-days-battery-life-before-buy-ph5528/ph5528 **Category:** electronics **Subcategory:** Wearable Technology **Availability:** in_stock **Price (INR, all-inclusive):** ₹49,396 **Discount:** 14% **Customer rating:** 4.83/5 from 6 ratings ## Description OURA Ring 4 Stealth (Size 4) offers advanced health insights, tracking sleep, activity, and women's health with Smart Sensing. Its durable titanium design boasts up to 8 days battery life. Imported from USA, delivered via ExpressBox within {{ccc_delivery_eta}}. ## Highlights - Up to 8-Day Battery Life — Focus on your health, not charging. The long-lasting battery means you can wear the ring continuously for up to a week, providing uninterrupted insights into your sleep and activity patterns. - Accurate Smart Sensing — Oura's advanced Smart Sensing technology monitors over 50 health metrics, including sleep stages, heart rate variability, and body temperature, adapting to your unique physiology for precise data. - Comprehensive Health Insights — Gain a deeper understanding of your well-being with detailed tracking of sleep, readiness, activity, heart health, stress, metabolic health, and women's health cycles. - Durable Titanium Design — Crafted from lightweight, all-titanium, the ring is built for comfort and durability, suitable for daily wear, workouts, and even sleep without feeling intrusive. ## 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 Monitoring from the USA — The OURA Ring 4 brings cutting-edge health tracking technology directly to you. Unlike many local alternatives that offer basic step counting, Oura provides deep physiological insights powered by Smart Sensing. This advanced platform monitors over 50 health metrics, including detailed sleep stages, heart rate variability, and metabolic health indicators. The durable titanium construction and impressive battery life ensure continuous wear and data collection, helping you understand your body's unique patterns and optimize your well-being with precision. - Ideal for Health-Conscious Individuals, Not for Intense Weightlifting — This ring is perfect for individuals seeking detailed insights into sleep quality, daily activity, stress levels, and women's health. It excels for professionals, students, and those with an active lifestyle who want to monitor their overall wellness. However, due to its stainless steel coating and slight bulk, it may not be ideal for very heavy weightlifting sessions where it could potentially get scratched or feel cumbersome. If your primary focus is extreme sports or heavy industrial work, consider a more rugged device. ## How to use 1. Before purchasing the OURA Ring 4, use the provided Oura Ring 4 Sizing Kit to determine your precise finger size. This is crucial for accurate sensor readings and comfortable wear. — Ensure Proper Sizing 2. Wear the OURA Ring 4 on your finger at all times, including during sleep. The ring's sensors need consistent skin contact to gather accurate data on sleep, activity, and biometrics. — Wear Continuously 3. Regularly sync the ring with the Oura App on your smartphone via Bluetooth. This process uploads your collected data, allowing you to view detailed health insights, sleep analysis, and readiness scores. — Sync with Oura App 4. Analyze the data presented in the Oura App. The first month of Oura Membership is included; subsequent access requires a subscription. Use the insights to understand your body and make informed health decisions. — Review Insights and Membership ## Product details | Field | Value | |---|---| | Sensors | Optical Heart Rate, Body Temperature, Accelerometer, Infrared Sensors | | Free From | Oxybenzone, Latex (ring material) | | Directions | Wear on finger, sync with Oura App daily. Sizing kit required before purchase. | | Frequency | Continuous wear for optimal tracking | | Recommended Use | Sleep, activity, stress, heart health, women's health monitoring | | Cost per use | Calculated based on {{ccc_offer_price}} and ring lifespan | | Shelf life after opening | N/A (Durable product) | | Reapplication math | N/A (Durable product) | | Contraindications | May be bulky for heavy weightlifting; potential light disruption for very light sleepers (mitigated by covering) | | Allergens / common irritants | None specified | | Brand | OURA | | Model | JZ90-54218-04 | | Color | Stealth | | Size | 4 | | 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 | | Water Resistance | Yes | ## 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. The OURA Ring 4 you receive matches the SKU and formulation US buyers get. 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 for verification. ### What is the OURA Ring 4's battery life and charging time? The OURA Ring 4 offers an impressive battery life of up to 8 days on a single charge. It charges quickly, often needing only 10-15 minutes on the charger for several days of use, making it convenient for daily routines. ### What health metrics does the OURA Ring 4 track? The OURA Ring 4 tracks over 50 health metrics, including detailed sleep stages (light, REM, deep), heart rate, heart rate variability, body temperature, respiratory rate, sleep efficiency, sleep debt, activity levels, stress, metabolic health, and women's health cycles. ### Is the OURA Ring 4 subscription required? The first month of Oura Membership is included with new purchases. After the initial month, a subscription fee of {{ccc_offer_price}} applies. The membership is tied to your account via the Oura App, not the physical ring itself. ### How does OURA Ring 4 sizing work? Accurate sizing is essential as Oura Ring 4 uses unique sizing different from standard jewelry. You must use the Oura Ring 4 Sizing Kit to find your perfect fit before purchasing the ring to ensure comfort and accurate sensor contact. ### Can I use OURA Ring 4 for weightlifting? While durable, the OURA Ring 4's stainless steel coating and slight bulk may not be ideal for heavy weightlifting sessions where it could get scratched or feel cumbersome. It's more suited for general activity and wellness tracking. ### Does the OURA Ring 4 have lights that might disturb sleep? The ring uses light sensors periodically throughout the night. If these tiny lights might bother you in a dark room, you can keep your hands under blankets or pillows, or use a sock or glove over your hand. ### What is the OURA Ring 4's warranty in India? The OURA Ring 4 comes with the USA manufacturer's warranty. CrowCrowCrow covers issues related to damage or incorrect items upon arrival. For specific warranty claims, refer to Oura's official support channels. ### Is OURA Ring 4 compatible with Indian voltage? The OURA Ring 4 itself is not voltage-dependent as it is a wearable device that charges via USB. The charger is compatible with standard Indian power outlets (220-240V). ### What is the OURA Ring 4 price in India? The OURA Ring 4 price in India is displayed in INR, with all customs duties and GST included. You can view the final landed cost on the product page, which reflects the USA offer price adjusted for Indian import. ## 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/B0D9WTY8FM-0.webp 2. https://images.crowcrowcrow.com/B0D9WTY8FM-1.webp 3. https://images.crowcrowcrow.com/B0D9WTY8FM-2.webp 4. https://images.crowcrowcrow.com/B0D9WTY8FM-3.webp 5. https://images.crowcrowcrow.com/B0D9WTY8FM-4.webp 6. https://images.crowcrowcrow.com/B0D9WTY8FM-5.webp --- Source: https://crowcrowcrow.com/p/oura-ring-stealth-size-sleep-activity-women-health-advisor-days-battery-life-before-buy-ph5528/ph5528 Returns: 30 days, free, by mail. Shipping: Free across India, 7–13 business days. Prices are all-inclusive (duties + GST).