Audio-receivers and video-receivers; [ Batteries; Battery chargers; ] Cabinets for loudspeakers; [ Computer chips; ] Computer keyboards; Computer mouse; Computer peripheral devices; [ Computer programs for editing images, sound and video; Data processing equipment, namely, couplers; ] Earphones; [ Electric navigational instruments; ] Electronic devices for locating and tracking specify, lost people using global positioning systems; Global positioning system (GPS); Headphones; Laptop computers...