Adapt
Mini tools
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
Oct 15, 2024
Processor
Infineon PSoC 6
Battery life
5–8 days; charges in 20–80 min
OS / Platform
iOS, Android
Weight
4.0g
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
Oct 15, 2024
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
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