Was bought new and used for about 4 months. everything in working order The Oura Ring Gen 3 Heritage Silver Size 10 is a unisex adults' activity tracker with a 240 x 240 display resolution. It features a heart rate monitor and sleep tracker, with sensors for measuring heart rate and accommodating both indoor and outdoor activities. The ring is made of silver and comes with a charger, offering a battery life of up to 4 days. The Oura Ring is compatible with Android operating systems and has a 2-year manufacturer warranty, making it a reliable tool for tracking your fitness and sporting activities like running and jogging.
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