OURA Ring Gen3 Heritage - Silver, Size 11
Tracks sleep / steps / distance / calories / sports
Readiness score
Battery life: Up to 7 days
Water resistant (10 ATM)
Material: Titanium
Compatible with Android / iOS
2 year guarantee
Product code: 645481

Get to know your body better with the Oura Ring 4. It's got discreet sensors that track your sleep, readiness, and daily activity. With an Oura Membership (sold separately), you can access features like in-depth sleep analysis, personalised health insights, and live heart rate monitoring. Whether you're cleaning the house or hitting the elliptical at the gym, it automatically detects your activity and gives you credits. Plus, the daily Readiness Score helps you decide when to push yourself or take it easy.

Good to know

- It's comfortable to wear day and night, thanks to its non-allergenic, lightweight titanium design
- With a battery that lasts up to 8 days, you can go over a week without thinking about charging
- You can go swimming or do water sports – it's water resistant down to 100 metres
- Keep tabs on your daytime stress levels and learn how to build resilience over time
- By monitoring your heart rate, you'll gain insights into your cardiovascular age and cardio capacity
- Skin temperature tracking assists with illness detection and menstrual cycle insights

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Please note:
- To find the most comfortable fit, we recommend purchasing the Oura Ring 4 Sizing Kit. Sizing differs from Gen3 and standard ring sizes, so if you're switching rings or are unsure, use the correct kit. Wear the sizer for 24 hours to find your best fit.
- Some tracking and insight features are only available with an Oura Membership (sold separately). Non-paying members have access to 3 simple daily scores: Sleep, Readiness, and Activity, as well as interactive and educational Explore content.

Technical specifications for OURA Ring Gen3 Heritage - Silver, Size 11

OVERVIEW

Type
Smart ring
App store
- Apple App Store
- Google Play Store
Size / fit
Size 11
Compatibility
- iOS 15.0 or later
- Android 8.0 or later
Material
Titanium

CONNECTIVITY

Connectivity
Bluetooth Low Energy (BLE)

POWER

Battery type
Internal Lithium-ion battery
Charging method
Charging dock
Charge time
Up to 80 minutes
Battery life
Up to 7 days

FEATURES

Resistance
Water resistant to 100 m / 328 ft (not suitable for diving)
Health & fitness tracking
- Activity
- Sleep
- Readiness
- Stress
Smart functions
- Gyroscope
- Heart rate monitor (HRM)
- Pedometer
- Reflectance pulse oximetry (SpO2)
- Temperature
- Accelerometer
Sensors
- Barometer
- Gyroscope
- Heart rate monitor (HRM)
- Pedometer
- Reflectance pulse oximetry (SpO2)
- Temperature

GENERAL

Dimensions
- Width: 7.9 mm
- Thickness: 2.7 mm
Colour
Silver
Weight
4-6 g (depending on ring size)
Manufacturer’s guarantee
2 years
Box contents
- Oura Ring Gen3 Heritage
- Charging dock
- USB Type-A to USB Type-C cable