9 Navigational, surveying, audiovisual, optical, weighing, measuring, signaling, detecting, testing, checking, rescue and teaching apparatus and instruments, namely heads-up displays (HUDs) in the nature of transparent electronic displays for use as a wearable device or integration into wearable devices, for projection of data from a mobile device onto a display, vizor or windshield, for providing motorcycle riders or other users with navigational and operational information; apparatus and instruments for recording, transmitting, reproducing or processing sound, images or data; recorded and downloadable media, namely, downloadable multimedia files featuring maps, downloadable music files; downloadable computer software for use in navigating and operating head up displays (HUD); downloadable computer software for use in weighing, measuring, signaling, detecting, and testing physical data; empty digital or analog recording and storage media in the nature of blank electronic storage media; diving suits; divers' masks; earplugs for divers; nose clips