The Oura Ring Gen 3 Heritage Silver Size 12 is a versatile activity tracker made of titanium, suitable for both indoor and outdoor use. It features a high-resolution display with a resolution of 240 x 240, providing accurate measurements in both decimal and imperial units. The ring has a rechargeable battery with a lifespan of up to 1 day and is compatible with both iOS and Android operating systems. It includes features such as heart rate monitoring, sleep tracking, and an accelerometer sensor, making it ideal for tracking various activities like running and jogging. Good used condition, includes charger, box and manuals
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