Cabinets for loudspeakers; Headphones; Earphones; Microphones; Loudspeakers; Headsets for virtual reality games; Wireless speakers; Headphones in the form of sleep masks; Smartglasses; Encoded identification bracelets, magnetic; Smart rings; Smartwatches; Computer programs, downloadable, for sleep monitoring, intelligent hardware controlling, audio playing; Multi-function electronic device for use in children's rooms comprising a sound producing function, temperature gauge and also including ...