Audio interfaces; Cables and fibres for the transmission of sounds and images; [ Computer mouse, namely, trackballs; Couplings, electric; ] Data cables; [ Data processing apparatus; Data processing equipment, namely, couplers; ] Data synchronization cables; [ Electric connections and connectors; Electric wire and cable; ] Electrical plugs and sockets; [ Electronic card readers; Headphones; Optical cables; Patch panels for housing electrical connectors; Patch panels for housing electrical swit...