BRAND NEW SEALED BLACK SIZE 10 OURA RING GEN 4 The Oura Ring Gen 4 Black, Size 10 is a high-tech activity tracker made from titanium, designed for both indoor and outdoor use. It provides accurate heart rate monitoring and includes features such as a sleep tracker, making it perfect for tracking your fitness and sleeping habits. The ring is compatible with both iOS and Android operating systems, with a battery life of up to 7 days. Its sleek black design and English language interface make it a stylish and practical choice for unisex adults looking to improve their health and wellness.
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