Alarm monitoring systems; [ Compact disc players; Computer mouse, namely, trackballs; Computer peripheral devices; ] Earphones; Electric navigational instruments; [ Electronic indicator boards; ] Electronic sound mixing, processing and synthesizing apparatus; Horns for loudspeakers; Loudspeakers; Pedometers; Photographic cameras; Portable media players; [ Remote control telemetering machines and apparatus; ] Sound transmitting apparatus [ ; Tool measuring instruments ]