Audio amplifiers; Cases for smartphones; Computer hardware and recorded software for processing digital music files sold as a unit; Computer peripherals; Digital sound processors; Digital to analog converters (DACs); Downloadable computer software for controlling the operation of audio and video devices; Earphones; Electric wires; Electrical plugs; Loud speakers; Portable media players; Radio sets; Recording and playing devices for sound and image carriers; Spectacles; Transmitters and receiv...