Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 12 - Midnight - (2025)

Name: Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 12 - Midnight - (2025)
Brand: Oura
SKU: 6633649
Price: 399 USD
Availability: InStock
Rating: 4.7 (442 reviews)

Model: JZ90-57455-12

SKU: 6633649

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Ring Size

See how to find your Oura Ring size

Color

Midnight

Availability

Pickup

Ready on

Fri, Jun 19

Shipping

Get it by

Wed, Jun 17

Order now for pickup on Fri, Jun 19 at

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Return & Exchange Policy

Specifications

Operating System Compatibility
Apple iOS, Android
Built-in Storage
0 gigabytes
Metrics Measured
Activity vs. inactivity, Blood oxygen, Hours slept, Calories burned, Resting heart rate
Protective Qualities
Dust resistant, Water resistant
Maximum Depth of Water Resistance
328 feet
Band Material
Ceramic

Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 12 - Midnight - (2025)

Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 12 - Midnight - (2025)

Ring Size

Color

Specifications

Questions & Answers(78questions)

Reviews

Specifications

Questions & Answers(78questions)

Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 12 - Midnight - (2025)

Features

Ring Size

Color

Featured products

Oura - Ring 4 Ceramic - Smart Ring - Size Before You Buy with OR4 Sizing Kit - Size 12 - Midnight - (2025)

Ring Size:

Color:

Specifications

Questions & Answers(78questions)

Reviews

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Specifications

Questions & Answers(78questions)

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Features

Ring Size:

Color:

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Ring Size

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Ring Size

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