The Oura Ring Gen 4 in size 10 and black color is a high-tech activity tracker made of titanium, designed for both iOS and Android operating systems. It offers features such as temperature monitoring, sleep tracking, and heart rate monitoring, all powered by GPS sensors. With a battery life of up to 5 days, this unisex fitness technology accessory is perfect for those into running and jogging, providing valuable insights into their performance and wellbeing. Additionally, it comes with a 1-year manufacturer warranty, making it a reliable choice for fitness enthusiasts looking to track their progress and overall health.

Item has been opened box but never used never worn.