# OURA Ring 4 Stealth Size 7 | Smart Ring for Sleep, Activity, Women’s Health, AI Advisor

**Brand:** OURA
**SKU:** af1661
**ASIN:** B0D9WVTHPV
**Canonical URL:** https://crowcrowcrow.com/p/oura-ring-stealth-size-sleep-activity-women-health-advisor-days-battery-life-before-buy-af1661/af1661
**Category:** electronics
**Subcategory:** Wearable Technology
**Availability:** in_stock
**Price (INR, all-inclusive):** ₹49,389
**Discount:** 14%
**Customer rating:** 4.83/5 from 6 ratings

## Description

OURA Ring 4 Stealth (Size 7) offers advanced health insights, tracking over 50 metrics like sleep, activity, and women's health. Its durable titanium design boasts up to 8 days of battery life. Compatible with Android/iOS, it's a discreet alternative to smartwatches, providing continuous data for better health awareness.

## Highlights

- Continuous Health Monitoring — Tracks over 50 health metrics 24/7, including detailed sleep stages, heart rate variability, and body temperature, providing a holistic view of your well-being.
- Up to 8-Day Battery Life — Enjoy extended use without frequent charging. The long-lasting battery allows for uninterrupted tracking, making it ideal for daily wear and travel.
- Accurate Sizing for Comfort — Utilizes a unique sizing system; a sizing kit ensures a perfect, comfortable fit, crucial for accurate sensor readings and discreet wear.
- Women's Health Tracking — Monitors menstrual cycles and can predict upcoming periods based on physiological data, offering personalized insights for women's health management.

## 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 — The OURA Ring 4 leverages Smart Sensing technology to deliver precise biometric data, going beyond basic step counting. It analyzes sleep quality, readiness scores, stress levels, and cardiovascular health, adapting its insights to your unique physiology. This advanced approach helps you understand your body's signals, empowering informed decisions about your daily routines, exercise, and recovery. Unlike generic fitness trackers, Oura focuses on providing actionable data that translates into tangible improvements in sleep and overall well-being, making it a powerful tool for proactive health management.
- Ideal for Discreet Health Tracking — This ring is perfect for individuals who prefer not to wear wrist-worn smartwatches or fitness trackers, valuing a minimalist and comfortable design. Its durable, all-titanium build is suitable for everyday wear, including during sleep and workouts, and it charges quickly for minimal downtime. Those seeking detailed sleep analysis, stress monitoring, and women's health tracking without constant notifications or a screen will find it ideal. However, if your primary focus is on real-time workout metrics with GPS tracking or extensive app notifications, a dedicated smartwatch might offer more specialized features.

## How to use

1. Use the OURA Ring 4 Sizing Kit to determine your perfect fit. This is crucial for comfort and accurate sensor readings. Select your size before purchasing the ring. — Size Your Finger
2. Wear the OURA Ring 4 on your finger, ensuring the sensors on the inside make contact with your skin. It is designed for 24/7 wear, including during sleep and workouts. — Wear the Ring
3. Download the Oura App on your Android or iOS device. The ring will automatically sync your data via Bluetooth. First month of membership is included for new members. — Sync with the Oura App
4. Check the Oura App daily for detailed breakdowns of your sleep, activity, readiness, and other health metrics. Use the AI advisor for personalized recommendations. — Review Your Insights

## Product details

| Field | Value |
|---|---|
| Sensors | Infrared LEDs, Green LEDs, Temperature sensors, Accelerometer |
| Connectivity | Bluetooth Low Energy |
| Water Resistance | Up to 100m |
| Recommended Use | Sleep tracking, activity monitoring, heart health, stress, metabolic health, women's health |
| Battery Life | Up to 8 days |
| Charging Time | 10-15 minutes for several days of use |
| App Compatibility | Android & iOS |
| Membership | First month included, then {{ccc_offer_price}} per month |
| HSA/FSA Eligible | Yes |
| Brand | OURA |
| Model | JZ90-54218-07 |
| Color | Stealth |
| Size | 7 |
| Material | Titanium |
| Number of Items | 1 |
| Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers |

## 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 within {{ccc_delivery_eta}} via ExpressBox tracked shipping, ensuring authenticity and transparency.

### 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 will match what the US retailer dispatches. Photographs of every order are taken before international handover for your verification.

### Is the OURA Ring 4 safe to wear daily?

Yes, the OURA Ring 4 is designed for continuous daily wear, including during sleep and workouts. It uses light sensors and is made from durable, hypoallergenic titanium, making it safe and comfortable for all-day use.

### Are OURA Ring 4 health metrics accurate?

The OURA Ring 4 is powered by Smart Sensing technology, which adapts to you, delivering accurate, continuous data on over 50 health metrics including sleep stages, heart rate, and body temperature.

### 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. You must use the OURA Ring 4 Sizing Kit to find your perfect fit before purchasing to ensure comfort and sensor accuracy.

### How to use the OURA Ring 4?

Wear the OURA Ring 4 on your finger, ensuring the sensors are against your skin. The ring automatically tracks your sleep, activity, and other biometrics. Sync it with the Oura App on your smartphone to view your data and insights.

### What is the best OURA Ring 4?

The OURA Ring 4 is considered a top-tier smart ring for comprehensive health tracking, offering advanced sleep analysis, readiness scores, and women's health features with a long battery life and discreet design.

### Can I use OURA Ring 4 daily?

Yes, the OURA Ring 4 is designed for 24/7 wear, including sleep and daily activities. Its durable construction and long battery life make it suitable for continuous use.

### What are the OURA Ring 4 side effects?

The OURA Ring 4 is generally well-tolerated. Some users may find the sensors slightly noticeable at night, but this can often be managed by wearing gloves or keeping hands under blankets. It is made from hypoallergenic titanium.

### What are the OURA Ring 4 benefits?

Benefits include detailed sleep tracking, readiness scores, activity monitoring, heart health insights, stress management, women's health cycle tracking, and an AI advisor, all delivered through a discreet, long-lasting smart ring.

## 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/B0D9WVTHPV-0.webp
2. https://images.crowcrowcrow.com/B0D9WVTHPV-1.webp
3. https://images.crowcrowcrow.com/B0D9WVTHPV-2.webp
4. https://images.crowcrowcrow.com/B0D9WVTHPV-3.webp
5. https://images.crowcrowcrow.com/B0D9WVTHPV-4.webp
6. https://images.crowcrowcrow.com/B0D9WVTHPV-5.webp

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Source: https://crowcrowcrow.com/p/oura-ring-stealth-size-sleep-activity-women-health-advisor-days-battery-life-before-buy-af1661/af1661

Returns: 30 days, free, by mail. Shipping: Free across India, 7–13 business days. Prices are all-inclusive (duties + GST).