Synccalorie All Day Activity Tracker - 30 Day Memory - New/sealed All day calorie Burn tracking Distance Tracking All day step tracking Activity Timer Wear Anywhere Syncs with: Iphone 3GS or later, Ipod Touch 3Gen or later, Ipad, Select Android Devices Sync data to "MapMyWalk" app Track your progress with features like calorie monitor and average speed. This all-day activity tracker can be worn on your hip or in your pocket, making it a convenient and personalized option for fitness enthusiasts. The device is compatible with both iOS and Android operating systems and comes with a measurement provided for calories burned.