# OURA Ring 4 Ceramic Midnight Size 9 | Smart Ring for Sleep, Activity, Women’s Health

**Brand:** OURA
**SKU:** yg9767
**ASIN:** B0FKQXKVTQ
**Canonical URL:** https://crowcrowcrow.com/p/oura-ring-ceramic-midnight-size-sleep-activity-women-health-advisor-days-battery-life-yg9767/yg9767
**Category:** electronics
**Subcategory:** Wearable Technology
**Availability:** in_stock
**Price (INR, all-inclusive):** ₹37,253
**Discount:** 13%
**Customer rating:** 4.10/5 from 10 ratings

## Description

OURA Ring 4 Ceramic Midnight, size 9, offers advanced health tracking for sleep, activity, and women's health. Its durable, scratch-resistant ceramic design is comfortable and lightweight. Get up to 8 days of battery life and personalized insights via the Oura App. Imported from USA, all duties included.

## Highlights

- Up to 8 Days Battery Life — Focus on your health without constant charging. The long-lasting battery supports continuous tracking for over a week, ideal for busy lifestyles and travel.
- Scratch-Resistant Ceramic Design — The durable ceramic exterior maintains its sleek look, resisting scratches from daily wear. It's designed to be comfortable and gentle, even on sensitive skin.
- Comprehensive Health Insights — Track over 50 metrics including sleep, activity, readiness, and women's health. Get personalized, actionable data via the intuitive Oura App to understand your body better.
- Comfortable & Discreet Wear — Lightweight and unobtrusive, the ring is designed for 24/7 wear, including sleep. It offers a subtle way to monitor health without the distractions of screens or vibrations.

## 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 Tracking with Smart Sensing — OURA Ring 4 Ceramic utilizes Smart Sensing technology, adapting to your unique physiology for highly accurate, continuous tracking of over 50 health metrics. This includes detailed sleep analysis, readiness scores, activity levels, and women's health insights. The ring's design prioritizes comfort with recessed sensors, ensuring it's gentle on all skin types, even during sleep. Unlike many wearables, it offers an extended battery life of up to 8 days, minimizing charging interruptions and allowing for a more consistent picture of your health trends. The ceramic finish provides a premium look and feel, blending seamlessly with everyday style while maintaining durability.
- Ideal for Health-Conscious Individuals, Not for DIY Sizing — This ring is perfect for individuals seeking deep insights into their sleep, recovery, and overall well-being without the constant distraction of a smartwatch. It’s particularly beneficial for those interested in optimizing their daily readiness and understanding how lifestyle choices impact their health. However, it is not suitable for those who prefer to guess their ring size or cannot use a dedicated sizing kit. Due to unique sizing, attempting to purchase without a kit may lead to an improper fit, impacting comfort and data accuracy. If you require immediate, on-the-spot health readings or prefer a device with a screen, other wearables might be a better fit.

## How to use

1. Use the Oura Ring Sizing Kit to determine your precise size. OURA Rings have unique sizing, and a correct fit is essential for comfort and accurate health data. — Size Your Ring Correctly
2. Wear the OURA Ring 4 Ceramic continuously, including during sleep. The recessed sensors and lightweight design ensure comfort for all-day and all-night tracking. — Wear 24/7 for Data Collection
3. Download the Oura App on your compatible Android or iOS device. Sync your ring regularly to view detailed sleep, activity, and health insights. — Sync with the Oura App
4. Use the provided Ceramic Polishing Pad to gently remove any marks from metal contact. Avoid handling very hard metal objects while wearing the ring to preserve its finish. — Maintain the Ceramic Finish

## Product details

| Field | Value |
|---|---|
| Sensors | Smart Sensing Technology |
| Health Metrics Tracked | Sleep, Activity, Readiness, Stress, Heart Health, Metabolic Health, Women's Health, and more (over 50) |
| App Compatibility | Android & iOS |
| Directions | Wear 24/7, including sleep. Sync with Oura App for insights. Use Ceramic Polishing Pad for maintenance. |
| Reapplication Math | Battery lasts up to 8 days per charge. |
| Contraindications | Requires Oura Ring Sizing Kit for accurate fit. Ceramic finish can mark from metal contact; use caution with metal objects. |
| Allergens / Common Irritants | Recessed sensors designed for sensitive skin. |
| Brand | OURA |
| Model | JZ90-57455-09 |
| Color | Midnight |
| Size | 9 |
| Material | Ceramic Exterior, Recessed Sensors |
| Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers |
| Battery Life | Up to 8 days |
| Connectivity | Bluetooth (via Oura App) |

## Attributes

- **Unit count:** 1

## 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, ensuring transparent costs. It arrives 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 for verification.

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

Yes, the OURA Ring 4 Ceramic is designed with recessed sensors on the interior, making it comfortable and gentle, even on sensitive skin. It is built with advanced technology and is intended for continuous wear to track health metrics.

### Are OURA Rings healthy to wear?

The OURA Ring 4 Ceramic tracks over 50 health metrics, providing insights into sleep, activity, and heart health. It is designed to help users understand their body better and make informed lifestyle choices for improved well-being.

### How to choose the correct size for OURA Ring 4 Ceramic?

It is essential to use the Oura Ring Sizing Kit before purchasing. OURA Rings use unique sizing different from standard jewelry rings. Finding the right size with the kit ensures the best experience and accurate data tracking.

### How to use the OURA Ring 4 Ceramic?

Wear the ring 24/7, including during sleep. Sync it with the Oura App on your smartphone to view your health data and personalized insights. The ring charges easily with the included charger.

### What is the best OURA Ring 4 Ceramic?

The OURA Ring 4 Ceramic offers a blend of style and advanced health tracking. Its durable ceramic finish, long battery life, and comprehensive insights make it a top choice for health-conscious individuals seeking discreet monitoring.

### Can I use OURA Ring 4 Ceramic daily?

Yes, the OURA Ring 4 Ceramic is designed for daily wear, 24/7, including during sleep. Its comfortable and lightweight design ensures it can be worn continuously without discomfort.

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

The OURA Ring 4 Ceramic is designed with recessed sensors for comfort and is generally well-tolerated. Some users note the ceramic finish can mark from metal contact, which is cosmetic and removable with polishing.

### What are the benefits of OURA Ring 4 Ceramic?

Benefits include accurate tracking of over 50 health metrics, personalized insights into sleep and activity, long battery life, and a comfortable, stylish design. It helps users understand their body and improve well-being.

## 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/B0FKQXKVTQ-0.webp
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6. https://images.crowcrowcrow.com/B0FKQXKVTQ-5.webp

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Source: https://crowcrowcrow.com/p/oura-ring-ceramic-midnight-size-sleep-activity-women-health-advisor-days-battery-life-yg9767/yg9767

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