Kronoz Llc Zefit-orange Tells time like any other watch and Connects wirelessly via Bluetooth Wear it day and night to Count your daily steps, Measure distance traveled, Calculate calories burned, Track hours and quality of sleep, Schedule reminders, Set up your daily goals and Monitor your activity in real-time Wirelessly sync your activity and sleep data to your mobile device ZeFit is compatible with select Android 4.3 and iOS 6.0 and later devices (iPhone 4 S, iPhone 5, 5C, 5S, iPad Mini, iPad 3 and later) Water resistance : splash, sweat and rain resistant