Antennas; Earphones; Intercoms; Telephones; Acoustic conduits; Alarm installations and alarms; Apparatus for transmission of communication; Audio cables; Batteries and battery chargers; Data cables; Earphone accessories, namely, earphone cushions, earphone pads, earphone cases, and earphone extension cords; Loudspeakers, headphones, microphones and CD players; Power supply connectors and adaptors for use with portable electronic devices; Radio receivers and transmitters; Remote control teleme...