Product Description

Oura Ring 4 Smart Ring – Size 8 – Silver

Oura Ring 4 – Size 8 – Silver

OVERVIEW

The Oura Ring 4 Smart Ring is a next-generation wellness tracker designed to monitor sleep, activity, recovery, heart rate, and temperature trends — all from a compact, comfortable titanium ring. With upgraded Gen4 sensors, improved accuracy, and multi-day battery life, it delivers deep health insights while remaining lightweight and discreet. This unit is Size 8 in a premium Silver finish.

KEY FEATURES

• Advanced Gen4 sensor system for accurate wellness tracking
• Detailed sleep monitoring with sleep stages and readiness scoring
• Continuous heart rate, HRV, activity, and recovery tracking
• Temperature sensing for daily trend monitoring
• Lightweight, durable titanium body in Silver
• Up to 7 days of battery life (varies by use)
• Water-resistant design for everyday wear
• Compatible with both iOS and Android via Bluetooth

TECHNICAL SPECIFICATIONS

WHAT’S INCLUDED

(1) Oura Ring 4 Smart Ring – Size 8 – Silver
(1) Wireless Charging Dock
(1) USB-C Charging Cable

Does Not Include: Original Box/Packaging or Additional Accessories

PRODUCT CONDITION

This device is in Good condition. It has been professionally inspected, cleaned, and fully tested. Expect minor cosmetic wear, such as faint scuffs or small marks that do not affect comfort or functionality. All tracking features — heart rate, sleep, temperature sensing, and Bluetooth syncing — have been verified to be fully functional.

DISCLAIMER

Example images may be used for representation. Actual units may show slight cosmetic variations but will match the size, color, and fully functional condition described. All units undergo full diagnostic testing to ensure reliable operation.