# Oura Ring 4 Ceramic Petal Size 15 | Smart Ring for Sleep, Activity, Women's Health & AI Insights

**Brand:** OURA
**SKU:** yat6892
**ASIN:** B0FKR4TPKV
**Canonical URL:** https://crowcrowcrow.com/p/oura-ring-ceramic-petal-size-sleep-activity-women-health-advisor-days-battery-life-before-ng5652/yat6892
**Category:** electronics
**Subcategory:** Categories
**Availability:** in_stock
**Price (INR, all-inclusive):** ₹55,666
**Customer rating:** 4.40/5 from 751 ratings

## Description

Oura Ring 4 Ceramic Petal Size 15 offers advanced health tracking for sleep, activity, and women's health. Its durable ceramic design is lightweight and comfortable for daily wear. Sourced from authorized US retailers, all duties and GST are included. Arrives in 18-21 days.

## Highlights

- Advanced Health Metrics — Tracks over 50 key health indicators including detailed sleep stages, readiness scores, activity levels, heart rate variability, and women's health cycles for a holistic view of your well-being.
- Durable Ceramic Design — Crafted from high-performance ceramic, this ring is designed for everyday durability and comfort. The Petal finish is elegant and resists scratches, making it suitable for continuous wear.
- Long-Lasting Battery Life — Enjoy up to 8 days of continuous tracking on a single charge, allowing you to focus on your health without frequent interruptions for charging.
- Seamless App Integration — Connects effortlessly to the Oura App (Android & iOS) for intuitive data visualization and personalized insights, helping you understand and improve your sleep, activity, and recovery.

## 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

**Precision Health Insights** — The Oura Ring 4 Ceramic utilizes Smart Sensing technology, adapting to your finger for highly accurate, continuous data. It goes beyond basic step counting to offer deep insights into sleep quality, recovery readiness, and stress levels. This data empowers you to make informed decisions about your daily habits, optimize your performance, and understand your body's signals like never before. The ceramic finish ensures it's comfortable for 24/7 wear, blending seamlessly into your life while providing powerful health analytics.

**Who It's For & Who Should Skip** — Ideal for individuals seeking detailed, actionable health insights without the constant distraction of a smartwatch. Perfect for those focused on optimizing sleep, recovery, and overall well-being, including athletes, busy professionals, and anyone interested in understanding their body's signals. Skip if you require real-time notifications or a screen on your wearable; this ring prioritizes discreet, background tracking. Also, ensure you use the Oura Ring Sizing Kit before purchasing, as non-standard sizing requires a precise fit for optimal comfort and accuracy.

## How to use

1. Use the Oura Ring 4 Sizing Kit to find your perfect fit before purchasing. Ensure the ring is snug but comfortable on your finger for accurate sensor readings. — Size Your Ring
2. Charge the ring using the included charger. Once charged, download the Oura App on your Android or iOS device and sync the ring to set up your account. — Charge and Sync
3. Wear the ring 24/7, including during sleep, for continuous data collection. The ring passively tracks sleep, activity, and other health metrics without manual input. — Wear and Track
4. Open the Oura App daily to review your sleep, readiness, and activity scores. Use the personalized insights to understand your body's signals and make informed lifestyle adjustments. — Analyze Insights

## Product details

| Field | Value |
|---|---|
| Battery Type | Lithium Polymer |
| Battery Weight | 0.5 grams |
| Battery Energy Content | 25.5 mAh |
| Number of Lithium-ion Cells | 1 |
| Operating System Compatibility | Android, iOS |
| Connectivity Technology | Bluetooth |
| Health Monitoring Features | Sleep Tracking, Activity Tracking, Stress Monitoring, Heart Health, Women's Health, Readiness Score |
| Battery Life | Up to 8 days |
| Charging Time | 80 minutes |
| Cost per use | Up to 8 days per charge: ₹6,958 per day |
| Shelf life after opening | Not Applicable |
| Contraindications | Requires precise sizing using Oura Ring Sizing Kit; ceramic finish can show marks from metal contact. |
| Allergens / common irritants | Recessed sensors designed for sensitive skin; no specific allergens listed. |
| Brand | OURA |
| Model Name | Oura Ring 4 Ceramic Petal - Size 15 |
| Color | Petal |
| Size | 15 |
| Material | Ceramic |
| Style | Ceramic |
| Generation | 4 |
| Item Form | Ring |
| Unit Count | 1 |
| Part Number | JZ90-57459-15 |
| Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers |
| Water Resistance Level | Water Resistant (100 meters) |

## Attributes

- **Item form:** Ring

## Frequently asked questions

### How is this Oura Ring 4 Ceramic authentic vs the version sold in Indian stores?

This Oura Ring 4 Ceramic 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 in 18-21 days via ExpressBox tracked shipping.

### Will the Oura Ring 4 Ceramic 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 to ensure accuracy.

### What are the main health metrics tracked by the Oura Ring 4 Ceramic?

The Oura Ring 4 Ceramic tracks over 50 health metrics, including detailed sleep stages, activity levels, readiness scores, heart rate variability, stress monitoring, heart health indicators, and women's health cycles.

### How does the ceramic finish hold up with daily use?

The high-performance ceramic exterior is designed for everyday durability. While it is scratch-resistant, it can show marks from contact with softer metals like cookware or dumbbells. A polishing pad is provided to help maintain its appearance.

### Is the Oura Ring 4 Ceramic comfortable for sleeping?

Yes, the ring is designed with recessed sensors on the interior, making it comfortable and gentle, even on sensitive skin. Reviewers frequently mention forgetting they are wearing it, even during sleep.

### How accurate is the Oura Ring 4 Ceramic's health tracking?

The ring is powered by Smart Sensing technology, which adapts to your finger to deliver accurate, continuous data day and night. Reviewers consistently praise its accuracy for sleep, activity, and readiness insights.

### What is the battery life of the Oura Ring 4 Ceramic?

The Oura Ring 4 Ceramic offers up to 8 days of battery life on a single charge, allowing for continuous tracking without frequent interruptions.

### Can I use my HSA/FSA funds to purchase the Oura Ring 4 Ceramic?

Yes, the Oura Ring 4 Ceramic is HSA/FSA eligible. Funds can be accepted for the ring itself, additional chargers, and shipping costs.

### How do I ensure I get the correct size for the Oura Ring 4 Ceramic?

It is essential to use the Oura Ring 4 Sizing Kit before purchasing, as Oura Rings use unique sizing different from standard jewelry. Finding the right fit ensures the best experience and accurate data.

### What happens if I need to return the Oura Ring 4 Ceramic?

Returns are handled according to Amazon's policy. For a high-value item like this, it's recommended to use the sizing kit first to avoid potential return delays. All customs duties and GST are included in the purchase price.

## 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/B0FKR4TPKV-0.webp
2. https://images.crowcrowcrow.com/B0FKR4TPKV-3.webp
3. https://images.crowcrowcrow.com/B0FKR4TPKV-6.webp
4. https://images.crowcrowcrow.com/B0FKR4TPKV-9.webp
5. https://images.crowcrowcrow.com/B0FKR4TPKV-12.webp
6. https://images.crowcrowcrow.com/B0FKR4TPKV-15.webp

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Source: https://crowcrowcrow.com/p/oura-ring-ceramic-petal-size-sleep-activity-women-health-advisor-days-battery-life-before-ng5652/yat6892

Returns: 14 days, free pickup, full refund on genuine issues. Shipping: Free across India, 18-21 days. Prices are all-inclusive (duties + GST).