Description: Amplifiers for wireless communication; Sound amplifiers; Sound reproduction apparatus; Earphones; Electric audio and visual headphones; headphones; Earphones for electric and audio and visual apparatus and instruments; Ear pads for headphones; Personal digital assistants (PDA); Personal handheld communication terminals in the nature of handheld personal computers; Downloadable smart phone application software for controlling the hearing aid of the hearing-impaired; Recorded smart phone application software for controlling the hearing aid of the hearing-impaired; Downloadable computer software for controlling the operation of audio and video devices computer software for controlling the operation of audio and video devices Recorded computer software for controlling the operation of audio and video devices; Downloadable computer software to control and improve audio and video devices; Recorded computer software to control and improve audio and video devices ; Smartphones; Wrist-mounted smartphones; Earphones for smart phones; Earphones; Apparatus for broadcasting, recording, transmission or reproduction of sound, data or images
