Wearable electronic devices, namely, smart watches for collecting data about heart beats, pedometers, and calories and connected to smartphones; Wearable electronic devices, namely, smart eye glasses; Wearable electronic devices, namely, smart bands/ Smart bracelets for measuring heart beats, calories, footsteps which can be connected with smartphones; Wearable activity trackers; Pedometers; Scientific apparatus, namely, electric sensors; Scientific apparatus, namely, optical sensors; Magnetic encoded identification wristbands; Altimeters; Anemometers; Gas testing instruments; Dynamometers; Maximum oxygen uptake meters not for medical use; Air analysis apparatuses; Alcohol content meters for scientific research purposes; Ergometers; Residual gas analyzers; 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;Multifunctional electronic devices for displaying, measuring, and uploading to the Internet information including time, date,heart rate, global positioning, direction, distance, altitude, speed, steps taken, activity level, calories burned, navigational information, hours slept, quality of sleep and silent wake alarm