Introducing Oura Ring 4 with upgraded sensors, up to 8 days of battery life: price, specifications

The Oura Ring 4 launched on Thursday in select global markets. The smart ring comes with a redesigned titanium construction and is available in six colors. It is compatible with the Oura app and supports Bluetooth Low Energy (LE) connectivity. The smart wearable is offered in twelve sizes and comes with a size-specific charger. It is equipped with Smart Sensing technology which is claimed to help in more accurate health and activity readings. Like competing health and fitness trackers, the Oura Ring 4 has heart rate and temperature sensors among many others.

Oura Ring 4 Price and availability

The price of Oura Ring 4 starts at USD 349 (roughly Rs 29,300) and comes in a range of 12 sizes between 4 and 15. The smart ring is offered in Black, Brushed Silver, Gold, Rose Gold, Silver and Stealth colors.

According to the company, the ring is available for pre-order through select channels in the US, UK and certain European countries, and will begin shipping on the 15th. October.

Oura Ring 4 Specifications, features

The Oura Ring 4 comes with a lightweight, non-allergenic full titanium construction and water resistance up to 100m. The company says the smart ring is equipped with Smart Sensing technology with an advanced algorithm that is claimed to offer more accurate health and activity readings.

The ring has red and infrared LEDs that measure blood oxygen levels when the wearer sleeps, as well as green and infrared LEDs that alternate to measure heart rate, heart rate variability at all times, and breathing rate during sleep. The accelerometer helps track the user’s movements and activities throughout the day, and the digital sensor measures variations in body temperature.

The updated Oura app now offers detailed insights into stress, activity and reproductive health, according to the company. Oura Labs, which lets members try out experimental features, is now available on iOS and Android devices.

Oura Ring 4 is claimed to offer up to eight days of battery life. Charging takes about 20 to 80 minutes, depending on the power level. It comes with a size-specific charger and a USB Type-C cable. The smart ring supports Bluetooth Low Energy connection. Its width is 7.90 mm, and its thickness is 2.8 mm. Depending on the size, the ring weighs between 3.3g and 5.2g.