Telephone cables; Batteries; Battery chargers; Audio cable connectors; Wireless communication apparatus; Sound recorders; Microphones; Loudspeakers; Digital photo frames; Computer peripheral devices; Smartwatches; Video projectors; Covers for headphones; Headphone amplifiers; Headphone consoles; Headphones; Headphones for audio apparatus; Headphones for microphones; Plug adaptors for headphones; Stereo headphones; Two-way plugs for headphones; Earphones (other than hearing aids for the deaf); Earphones for radios; Earphones for recording apparatus