multifunctional electronic devices for displaying, measuring, and uploading to the Internet information including time, date, heart rate, global positioning, direction, distance, altitude, elevation, speed, pace, steps taken, calories burned, routes, navigational information, weather information, temperature, wind speed, changes in heart rate, activity level, hours slept, quality of sleep, and silent wake alarm; multifunctional electronic devices that link to mobile phones to control volume and notify users of incoming calls or messages; computer software for wireless data communication for receiving, processing, transmitting and displaying information relating to fitness, body fat, body mass index; computer software for managing information regarding tracking, compliance and motivation with a health and fitness program; Bracelets that communicate data to personal digital assistants, smart phones, tablet PCs, PDA, and personal computers through internet websites and other computer and electronic communication networks; watchbands that communicate data to personal digital assistants, smart phones, tablet PCs, PDA, and personal computers through internet websites and other computer and electronic communication networks; watches that communicate data to personal digital assistants, smart phones, tablet PCs, PDA, and personal computers through internet websites and other computer and electronic communication networks