AI Wearable Smart Ring

Oura Ring 4

by Oura

$349.00 Available

The Oura Ring 4 is a next-generation smart ring featuring a fully titanium design with recessed sensors for improved comfort. Powered by Smart Sensing technology with an 18-path multi-wavelength PPG subsystem, it delivers research-grade accuracy for continuous health monitoring including sleep, activity, heart rate, HRV, SpO2, and temperature tracking. It offers 5–8 days of battery life and is water-resistant up to 100m.

Form factor Ring

Release date 2024-10-15

Processor Infineon PSoC 6

Battery life 5–8 days; charges in 20–80 min

OS / Platform iOS, Android

Weight 4.0g

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Specifications

Form factor Ring

Dimensions Width: 7.90mm, Thickness: 2.88mm

Weight 4.0g

Processor Infineon PSoC 6

Battery life 5–8 days; charges in 20–80 min

OS / Platform iOS, Android

Water resistance 100m / 10 ATM

Release date 2024-10-15

Connectivity

Bluetooth

AI features

Cloud AIHealth Monitoring

Sensors

Red LEDsInfrared LEDsGreen LEDsDigital Temperature SensorAccelerometer

Primary use cases

Health & Fitness

Colors

SilverBlackStealthBrushed SilverGoldRose Gold

Additional information

Sources Official product page: https://ouraring.com/store/rings/oura-ring-4/silver Oura Help: https://support.ouraring.com/hc/en-us/articles/33045011508115-Oura-Ring-4 TechInsights teardown (processor info): https://www.techinsights.com/blog/oura-ring-gen-4-teardown