The SmartHealth Ring Size 9 is a fitness tracker designed to monitor various health metrics such as heart rate, blood oxygen, and blood pressure. Made of stainless steel and featuring a sleek black color, this ring is suitable for indoor and outdoor use. It includes a case, ring, and charger in the set and is compatible with iOS and Android operating systems. With a battery life of up to 5 days, this unisex activity tracker provides accurate measurements using Bluetooth connectivity and sensors like the accelerometer and optical bio-tracking. Perfect for running and jogging, the Smart Ring from Duobuy is a must-have for those looking to track their fitness progress.
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