Oura Ring Generation 3 Activity Tracker - Heritage Black - Size 11

New - in box, with charger. The Oura Ring Generation 3 Activity Tracker in Heritage Black, Size 11 is a high-tech fitness accessory designed for both indoor and outdoor use. Made of durable titanium material, this activity tracker is suitable for both iOS and Android operating systems. It provides accurate measurements of heart rate and distance, and has features like temperature monitoring, water resistance, and sleep tracking. The ring worn on the hand uses infrared and SpO2 sensors to track various activities such as gym training, swimming, and running. With a battery life of up to 7 days, this Oura Ring is a reliable companion for fitness enthusiasts looking to monitor their activity levels closely.