Oura Ring 4 Stealth Health Tracker, Sleep, Heart Rate (JZ90-54218-04)

The Oura Ring 4 Stealth is a smart ring with an updated all-titanium design that is built to fit comfortably into everyday life. Its Smart Sensing platform adapts to you, providing insights into over 30 biometrics, including sleep, readiness, activity, heart health, stress and women's health. With up to 8 days of battery life and no screens or vibrations, you can forget it is even on.

Key Features

• Updated all-titanium design fits comfortably into everyday life, with no screens and no vibrations
• Smart Sensing adapts to you, providing insights into sleep, readiness, activity and heart health
• Up to 8 days of battery life, so you can focus on the present
• Sleep Staging, Nap Detection and Blood Oxygen Sensing (SpO2) give insight into sleep quality
• Automatic Activity Detection, Workout Heart Rate and personalised activity goals keep you motivated
• Daytime Stress and Stress Resilience help you understand how your body handles stress
• Cycle Insights, Period Prediction and temperature trends support women's health
• Daily heart rate, HRV, Cardiovascular Age and Cardio Capacity support heart health

About the Oura Oura Ring 4

A subscription is required for full features. A sizing kit is available for purchase so you can size yourself before buying, as Oura smart ring sizes differ from standard ring sizes. The ring is compatible with iOS and Android and integrates with over 40 apps, including Apple Health, Google Health Connect, Natural Cycles, Flo and Strava. It is water resistant and rechargeable.

Oura Oura Ring 4 Specifications

Who It's For

This ring suits people who want to track sleep, activity, stress, heart health and women's health in a discreet wearable. It suits anyone who wears a ring comfortably all day and night and is happy to use a subscription. The Stealth finish also suits someone who prefers a low-key, understated look.

Browse more smart rings at Tech Supply Shed.

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