Oura · ring

Oura Ring Gen 4

The Oura Ring Gen 4 is a sleek, titanium smart ring that delivers lab-grade sleep tracking, continuous heart rate and HRV monitoring, SpO2, and skin temperature sensing. Its discreet form factor makes it the ideal 24/7 health companion.

Sleep TrackingRecovery Monitoring

€349

4.5(0)

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Specifications

Battery7 days

Water100m

DisplayNone

SensorsHRV, SpO2, Skin Temperature, Activity

Features

Sleep Tracking

Advanced sleep staging with REM, deep, and light sleep analysis

HRV Monitoring

Continuous nighttime HRV with trend analysis

SpO2

Blood oxygen monitoring during sleep

ECG

Not available on Oura Ring

GPS

No built-in GPS

Step Counting

Daily step and activity tracking

Stress Tracking

Daytime stress monitoring via HRV-based resilience score

Workout Detection

Automatic activity detection for walks and workouts

Smart Notifications

Not available — no display

Menstrual Tracking

Period prediction via skin temperature trends

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