This Oura Ring Gen 3 is a Heritage style activity tracker designed for unisex adults. It comes in a sleek black color and size 6. The ring is made of durable aluminum, iron, and metal materials.

The ring provides heart rate measurement and has a sleep tracker feature. It also has sensors such as accelerometer, GPS, and gyroscope, making it suitable for running and jogging activities. The measurement system is both decimal and imperial and is worn on the hand.

This Oura Ring Gen 3 is a perfect fit for those who want to keep track of their fitness progress without the hassle of a bulky device. It's a stylish and reliable way to monitor your activity and sleep.