XFIT Activity Tracker Fitness Band with Smartphone App - Multiple Colors. Keep track of how much you walk or run when you exercise - push yourself to do be better. Monitor your activities and transform them into a lifestyle, with the help of this Activity and Sleep Monitor By Xtreme. Tracks daily activities, your steps, and the distance you walk. Whats more? The Activity and Sleep Monitor measures your sleep quality to help you sleep better. And buy this XFIT Activity Tracker Fitness Band with Smartphone App Now $49.00.