3D scanners; Earbuds; Earphones; Headphones; Battery chargers; Computer hardware; Computer programs, downloadable, for use in measurement and analysis of the body's autonomic nervous systems, physical parameters and other physiological data, bio-signals and bodily behavior after recovering from physical and emotional stress, and human alertness level and performance, and displaying, storing, sending, transmitting and receiving of instructions and data relating to any of the above; Downloadable computer application software for mobile phones, namely, software for use in control of earbuds, headphones and earphones; Downloadable computer application software for mobile phones, namely, software for use in database management and electronic storage of data related to measurement and analysis of the body's autonomic nervous systems, physical parameters and other physiological data, bio-signals and bodily behavior after recovering from physical and emotional stress, and human alertness level and performance; Downloadable databases in the field of medical science, featuring data from the measurement and analysis of the body's autonomic nervous systems, physical parameters and other physiological data, bio-signals and bodily behavior and human alertness level and performance after recovering from physical and emotional stress, and for displaying, storing, sending, transmitting and receiving of instructions and data relating to any of the above