Computer peripheral devices; Headphones; Batteries, electric; Battery chargers; Mobile telephones; Cabinets for loudspeakers; Connections for electric lines; Equalizers being audio apparatus; Audio- and video-receivers; Sound transmitting apparatus; Sound recording apparatus; Wireless earphones; Wireless speakers; Smartglasses; Electric charging cables; Electric plugs; Power strips; Portable energy storage systems in the nature of supercapacitors, ultracapacitors, and batteries that incorpora...