The VRing Smart Ring by Hoorawwi is a titanium ring in rose gold, designed for indoor/outdoor use. It features a wireless activity tracker with up to 7 days of battery life, measuring both decimal and imperial units. The smart ring provides heart rate monitoring, has ECG capabilities, and allows you to set goals. With features like a sleep tracker, exercise log, and smartphone compatibility, it is perfect for those who enjoy running and jogging. The smart ring also includes an optical bio-tracking sensor for accurate measurements.size 10 inner measurement is 22mm
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