Independent wearable comparisons — not medical advice. Always consult a healthcare professional for health decisions.
Oura · Ring
Oura Ring 4
$349
+ $5.99/mo subscription

Key specs

Battery8 days
PlatformIos & Android
Waterproof100 ATM
DisplayNo
GPSNo
LTENo
Subscription$5.99/month

Sensors

PPGTEMPERATURESPO2ACCELEROMETER

Metrics

HrvResting Heart RateSleep ScoreReadiness ScoreSpo2

Features

Sleep TrackingCycle TrackingTemperature Deviation

Recommended for

SleepRecoveryWomenBiohacking

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