Playing devices for sound and image carriers; Digital music system that synchronizes digital music files stored on a home unit and a car unit; Desk or car mounted units incorporating a loudspeaker to allow a telephone handset to be used hands-free; Recording and playing devices for sound and image carriers; Car cassette players; Navigation apparatus for vehicles; GPS navigation device; Satellite navigational system, namely, a global positioning system (GPS); Navigational apparatus for automob...