Oura Ring 4, smart wearable with health tracking features launched: Price, features and more

livemint.com:

Oura Ring 4 is priced starting at $349 (approximately £290) and comes in sizes ranging from 4 to 15. The smart ring can be purchased in a choice of Black, Brushed Silver, Gold, Rose Gold, Silver, and Stealth finishes.

Currently, it is available for pre-order in the US, UK, and select European countries, with shipping set to begin on 15 October.Crafted from lightweight, hypoallergenic titanium, the Oura Ring 4 is designed to withstand water exposure, with a water resistance rating of up to 100m. The ring incorporates Oura’s Smart Sensing technology, which is powered by a sophisticated algorithm.The device includes a range of sensors, including red and infrared LEDs to monitor blood oxygen levels while the user sleeps, as well as green and infrared LEDs that alternate to measure heart rate, heart rate variability, and respiration rate.An accelerometer tracks daily movement and activity, while a digital sensor records fluctuations in body temperature.The updated Oura App now offers more comprehensive insights into stress, activity, and reproductive health, enhancing the overall user experience.

Oura Labs, a platform for testing experimental features, is also available on both iOS and Android devices.The Oura Ring 4 is claimed to offer up to eight days of battery life on a single charge, which takes between 20 to 80 minutes depending on the power level. A size-specific charger and USB Type-C cable are included with the ring, ensuring ease of use.