Portable and personal multifunctional electronic devices in the nature of smart phones, tablet computers, wearable computers, and wearable activity trackers for displaying, measuring, recording, organizing, handling, analyzing and receiving data, texts, images and audio files relating to health, wellbeing and fitness, weather and weather forecasts; digital receivers used for detecting, storing and processing electronic data from sensors recording fitness-related data, namely, data on time, distance, speed, heart rate, body rhythm and calories burned; electric or electronic sensors for detecting, measuring, processing, compiling, recording and transmitting general data on wellbeing, weight, body fat, sleep cycles, respiratory rate, heart rate, limb movements and activity during sleep; electric or electronic sensors used for detecting, measuring, processing, compiling, recording and transmitting environment-related variables, namely, temperature, air and light quality, and environmental noise during sleep; pedometers; measuring apparatus, namely, barometers and temperature gauges; weighing scales; electronic smart wristbands; smartwatches; smartglasses; 3D glasses; smartphones; electronic smart keyrings; electronic smart pens; electronic smart keys; electronic smart headbands; headphones; pocket calculators; blank USB flash drives; laptop computers; electronic writing tablets; electronic agendas; digital personal assistants; portable digital electronic devices providing internet access and making it possible to send, receive and store telephone calls, emails and other digital data; voice recording and voice recognition devices in the nature of digital voice recorders; radios; televisions; cameras; electronic pocket translators; videophones; MP3 players; portable media players; Global Positioning System devices; computer software applications for portable devices used for recording, organizing, transmitting, receiving and analyzing texts, data, images and audio files