What is the Polar Loop? The Polar Loop Activity Tracker is a daily activity monitor that tracks your exercise levels, monitors sleep patters & provides motivational feedback during your daily routine. When combined with the Polar Flow online tracking tool the Polar Loop provides guidance & support throughout your day. The bracelet is designed to be worn 24 hours a day, is waterproof & can recognise the differences between various exercises such as walking & running. The bracelet can also be used alongside the Polar heart rate sensor to offer real time heart rate monitoring through Bluetooth Smart technology. How does it work? The Polar Loop displays real time information regarding the users current activity, calories burned & if used with a heart rate monitor, the current heart rate. When coupled with the Polar Flow tracking tool, the bracelet allows for analysis, guidance & graphics related to your workout. Main Features Smart coaching means that you can set a personal activity goal & monitors you as you achieve it Allows for analysis of daily, weekly & monthly activity levels & compares with global physical activity guidelines Waterproof (can be used in pool) IOS compatible (iPhone 4s & above)