The sensible ring Oura Ring Four is introduced for $349 and might be launched on October 15th

A user wearing an Oura Ring

Courtesy: Oura

Oura introduced its new smart ring on Thursday, the Oura Ring 4, starting at $349.

The company's rings track sleep, exercise, stress, heart health and other metrics to help users understand their bodies and make healthier choices. The Oura Ring 4 features new sensors, a slimmer design and up to eight days of battery life.

Oura said it has developed a new “smart sensing” platform that uses an algorithm and updated sensors to capture more accurate readings for blood oxygen measurement, daytime and nighttime heart rate, and breathing disorders.

The Oura Ring 4

Courtesy: Oura

The sensors in Oura's third-generation ring are raised and feel like little bumps, but the sensors in the Oura Ring 4 are flat. The company said this gives the ring a smooth interior that is more comfortable to wear.

The Oura Ring 4 is available in twelve sizes and six colors, including a new black finish. It can be pre-ordered from Thursday and will ship from October 15th.

In addition to the upfront cost, users must pay $5.99 per month or $69.99 per year for a membership. The first month is free. To pay for the ring and membership, customers can use flexible savings accounts and health savings accounts.

A new look for the app

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Redesigned Oura app

Courtesy: Oura

The company also announced a new design for its app, which is now available to Oura members. In the new layout, user data is organized into three tabs named Today, Vitals, and My Health.

The Today tab highlights relevant information based on the time of day and includes shortcuts that allow users to quickly access information about sleep, activity, readiness, stress, heart rate and, if applicable, menstrual cycles. Users can get more detailed information about their data in the Vitals tab and access longer-term metrics such as sleep trends, cardiovascular age, sleep trends and stress resilience in the My Health tab.

Oura said the app will also receive new features.

While exercising, members do not need to manually log their heart rate or the type of exercise completed. You can also see their activities and daily movements in their daily stress data. Oura said this will help increase users' understanding of how their behavior and habits can influence their stress.

Oura is also updating its reproductive health offerings to include a feature called Fertility Window, designed to inform users about their chances of becoming pregnant. The Fertile Window gives users an estimate of their fertile days, their likelihood of conception, and their detected ovulation day. Oura said this feature will roll out in the coming months, but members can sign up for early access on the waitlist.

Oura Labs, where users can test new features, is now available on Android devices. The function was previously only offered on iPhones.