Closed circuit TV systems for security and surveillance, namely, cameras, switchers, monitors, microphones, and recorders; DVD players; Electronic navigational and positioning apparatus and instruments; Loudspeakers, headphones, microphones and CD players; Media players; Navigation apparatus for vehicles in the nature of on-board computers; Navigational instruments for vehicles; Portable DVD players; Portable listening devices, namely, MP3 players; Sensors for determining position, velocity, ...