Earphones (other than hearing aids for the deaf); Headphones; Audio speakers; Speaker switches; Loudspeakers; Loudspeaker systems; Loudspeaker apparatus; Miniature loudspeakers; Amplifiers; Covers for headphones; Headphone amplifiers; Headphone-microphone combinations; Plug adaptors for headphones; Stereophonic apparatus incorporating headphones for personal use; Car speakers; Car speaker components; Two-way plugs for headphones; Electric leads for speakers; Electrical inverters; Battery chargers