The UP3 by Jawbone Heart Rate Activity+ Ruby Tracker is a fitness technology product designed to track heart rate and provide sleep tracking features. This activity tracker is specifically tailored for running and jogging activities, making it a valuable tool for athletes and fitness enthusiasts. Made in the United States by Jawbone, a reputable brand in the industry, this model offers reliable data and insights to help users improve their performance and overall health through precise heart rate monitoring.

Two Ruby jaw bone cross fitness trackers unopened. Not silver shown in the pictures. I will not open the box to maintain the value of the product.