Wearable multifunctional smartphone compatible personal electronic device, not for medical use, in the nature of smart watches, comprised primarily of display screens in the form of bracelets and arm bands and also including downloadable software, used for measuring and displaying data relating to the wearer, namely, distances traveled, number of steps taken, metabolic rate, calories burned, altitude, number of hours slept, and quality of sleep as determined by metabolic rates during sleep, and also used for receiving and sending text messages and phone calls, for notification of text messages and calendar appointments, for transmitting electronic documents, for manipulating text and image files, for recording messages, for transmitting tracked activity data and documents, and for playing electronic video games; Activity tracking device, namely, pedometers; personal electronic devices and wearable electronic devices, namely, fitness bands being smart watches used to track steps, calories, distance traveled, number of steps taken, heart rate, GPS location, blood oxygen, altitude and barometric pressure, quality of sleep, and multiple work out modes