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Item #:
230530899
Oura Ring 4, Black, Size 5, Smart Wearable, Sleep, Fitness & Heart Rate Tracker, 8-Day Battery (Size Before You Buy)
Item #:
230530899
MMK 1585086
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Only 9 items left in stock.
Order now and get it around Saturday, July 25
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Oura Ring 4 quietly and comfortably monitors your health with 5 to 8 days of battery life — you can forget it’s even on.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Comprehensive Tracking
Oura Ring 4 monitors sleep, fitness, and heart rate, providing real-time insights into your health, enabling better lifestyle choices and enhanced performance.
Extended Battery Life
With an impressive 8-day battery life, Oura Ring 4 ensures you stay connected without frequent recharging, perfect for active individuals and those focused on consistent health monitoring.
Sleek Design
The Oura Ring 4 combines advanced technology with a stylish, lightweight design, making it a fashionable accessory while seamlessly tracking your health metrics day and night.
Product Details
- Introducing Oura Ring 4: the latest evolution of the revolutionary smart ring. Oura Ring 4 brings you closer to what matters most — your health. The updated all-titanium design is powered by Smart Sensing, a new sensing platform that doesn’t just measure your biometrics, it adapts to you, providing insights into over 50 health metrics, including sleep, readiness, activity, heart health, stress, metabolic health, and women’s health. Oura Ring quietly and comfortably monitors your health and with 5 to 8 days of battery life — you can forget it’s even on. Sleeker, smarter and more accurate than ever, Oura Ring 4 is made for you. Oura Ring is FSA/HSA Eligible — we can accept FSA or HSA funds for the following: Oura Ring, additional chargers, and shipping. IMPORTANT: Size yourself with the Oura Ring Sizing Kit before you buy — Oura Rings are not US standard sizing, and finding the right size will result in the best experience possible. With a sizing kit purchase, you receive $10 Walmart Cash towards the future purchase of an Oura Ring 4.
| Ring size | 5 |
| Ring style | Band |
| Metal type | Titanium |
| Brand | Oura |
| Color | Black |
| Is resizable | N |
| Material | Titanium |
| Shape | Round |
| Pattern | Solid Print |
| Age group | Adult |
| Gender | Unisex |
| Fine or fashion | Fashion |
| Theme | Smart Ring |
| Designer | Oura |
| Model | JZ90-54144-05 |
| Has written warranty | No |
| Jewelry occasion | Everyday |
| Items included | Ring |
| Piece count | 1 |
| Assembled product weight | 0.44 lb (200 grams) |
| Country of Origin | This item will be imported from US |
| What is in the box | Oura Ring 4, Black... For more details, please check description/product details |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
How do I find the right size for Oura Ring 4?
Answer: Order the Oura sizing kit to determine your perfect fit. -
Question:
What health metrics does Oura Ring 4 track?
Answer: It tracks over 50 metrics including sleep, activity, heart health, and stress. -
Question:
Is the Oura Ring 4 eligible for FSA or HSA?
Answer: Yes, you can use HSA or FSA funds for the Oura Ring and additional chargers.
Oura Fashion Rings Editorial Review
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Customer Reviews & Ratings
534 customers ratings
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5 Star
68%
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4 Star
9%
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3 Star
5%
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2 Star
4%
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1 Star
12%
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Mohd
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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“Accurate delivery timing given”
16 June 2026 · via Trustpilot
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Youcef
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“Not madly expensive like I thought, and much quicker than promised.”
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“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
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Kwame
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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
MMK 1585086
Order now and get it around Saturday, July 25
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 9 items left in stock.
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Oura Ring 4 tracks over 50 health metrics including sleep, activity, and stress.
- First month of Oura membership is free, then just $5.99/month or $69.99/year.
- Durable all-titanium design that's comfortable and water-resistant.
- Smart Sensing technology provides continuous, accurate health data.
- Syncs seamlessly with over 40 apps like Apple Health and Google Health.
- FSA or HSA eligible for purchase, enhancing affordability.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.