The Oura Ring Gen 4 Stealth in size 7 is a high-tech activity tracker made of titanium, designed for both indoor and outdoor use. It features a heart rate monitor, sleep tracker, and water resistance capabilities. With a battery life of up to 4 days and compatibility with both iOS and Android operating systems, this ring provides detailed measurement of your fitness activities, including running and jogging. The sleek stealth colour and advanced features such as Bluetooth connectivity make it a must-have for fitness enthusiasts looking to track their performance accurately. The ring minor day to day sing of use,other than that it works perfectly fine.
eBay