Earbuds; Headphones; Megaphones; Smartphones; Audio-video receivers; Computer peripherals; Downloadable computer programs for network management; Downloadable software to control and improve audio equipment sound quality; Electric wires; Integrated circuits; Personal headphones for sound transmitting apparatuses; Remote controls for televisions; Sound cards; Sound recording apparatus; Speaker microphones

Earbuds; Headphones; Megaphones; Smartphones; Audio-video receivers; Computer peripherals; Downloadable computer programs for network management; Downloadable software to control and improve audio equipment sound quality; Electric wires; Integrated circuits; Personal headphones for sound transmitting apparatuses; Remote controls for televisions; Sound cards; Sound recording apparatus; Speaker microphones