Oura Ring Gen 3 Horizon Stealth Size US 10 + Charger

The Oura Ring Gen 3 Horizon Stealth is compatible with smartphones, has a rechargeable battery, and comes with a charger. It's easy to use and has a sleek design that fits comfortably in your hand. Additionally, it has a exercise log, sleep tracker, and heart rate monitor. This activity tracker is a must-have for anyone who wants to stay healthy and track their progress.