Loudspeakers, headphones, microphones and CD players; Remotely-controlled sub-aquatic video camera containing a TV camera, transmitter, receiver and microphone to record, detect, measure, survey and locate objects underwater; Wireless communication devices for voice, data or image transmission; Computer hardware and computer peripheral devices; Rechargeable batteries; Portable handheld electronic digital video messengers for recording, storage, transmission or reproduction of visual, audio an...