Accumulator boxes; Acoustic conduits; Antennas; Battery chargers; Chargers for electric batteries; Chargers for electronic cigarettes; Earphones; Electric and electronic video surveillance installations; Headphones; Loud speakers; Masts for wireless aerials; Mobile radios; Radio beacon machines and apparatus; Radio pagers; Radio receivers and transmitters; Sound transmitting apparatus; Telephone receivers; Aeronautical radio communication machines and apparatus