Oura Gen 4 black ring

Used only 1 month, no scratches. I have the box and charger. Introducing the Oura Ring Gen 4, a cutting-edge activity tracker that is faultless for both indoor and outdoor activities. This sleek black ring is designed to fit a size 8 hand and is compatible with both iOS and Android operating systems. With a battery life of more than 7 days, you can rely on this device to accurately track your temperature, sleep patterns, and heart rate while you run, jog, or engage in any other physical activity. This unisex adult activity tracker is perfect for anyone looking to improve their overall health and wellbeing, regardless of their fitness level or lifestyle. Perfect for everyday use. superior materials and excellent craftsmanship ensure long-lasting durability.