The Lifespan heart rate ring, "My Beat," is a unisex fitness technology product designed to monitor heart rate during exercise. With a sleek black design and features like a stopwatch and clock, this ring is perfect for gym and training activities. Powered by batteries, this heart rate monitor provides accurate measurements in English language and is worn on the hand. Stay on top of your fitness goals with the Lifespan heart rate ring. Item is brand new , but the package has been opened
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