The BRAND NEW Oura Ring Gen 3 Size 11 Smart Ring in Heritage Black Finish is a high-quality activity tracker suitable for both indoor and outdoor use. It provides accurate measurements for heart rate, calories, and distance, with a battery life of up to 7 days. The ring's sleek design, featuring a 2.4X external display, is suitable for unisex adults and offers features such as temperature monitoring, heart rate monitoring, and sleep tracking. With its advanced sensors including SpO2, accelerometer, and GPS, this smart ring is perfect for running and jogging activities.
eBay