BodyMedia FIT LINK Mobile On-Body Monitoring System. Know your body - improve your life! The BodyMedia FIT on-body monitoring system consists of the BodyMedia FIT LINK Armband monitor, online Activity Manager*, optional Display and free downloadable iOS or Android apps for mobile device users. Using four sophisticated sensors, the BodyMedia FIT LINK Armband automatically tracks the calories you burn during your daily activities and monitors the quality of your sleep, an important factor in staying fit. The information tracked can easily be managed using the BodyMedia online Activity Manager. Add in the easy-to-use food log and you have all the right information to reach your personal fitness goals! BodyMedia FIT makes getting and staying fit easy. Just plug the unit into your computer"s USB port each day to automatically upload info. Then simply log the food you ate via your computer or mobile device, and the Activity Manager* gives you a running report of your progress. This includes steps taken, time spent in moderate and vigorous activity, nutritional analysis and sleep efficiency, as well as any personal bests. And with the Bluetooth-enabled LINK Armband, you get near real-time updates of your stats with the BodyMedia FIT app. The more you know, the fitter you can be with BodyMedia FIT. Order from Brookstone today! *Online subscription required to track data. 3-month free trial included with purchase. Plans vary, starting at $6.95 a month with 2-month subscription. Bluetooth is a registered trademark of Bluetooth SIG, Inc.