Headphones; Smartwatches; Spectacles; Televisions; Battery chargers; Connections for electric lines; Converters, electric; Digital to analog converters (DACs); Electronic educational apparatus, namely, communication blocks that manipulate and convey information electronically based on their arrangement and are used for cognitive development in disciplines such as counting, spelling or quantitative; Holders adapted for mobile telephones and smartphones; Loudspeaker cabinets; Magnetic wires; Mi...