3D spectacles; Smartglasses; Batteries, electric; Chargers for electric batteries; Downloadable computer software development tools; Multimedia projectors; Projectors particularly projectors for the entertainment industry; Remote controls for projectors; Remotely-controlled sub-aquatic video camera containing a TV camera, transmitter, receiver and microphone to record, detect, measure, survey and locate objects underwater; Self-acting focussing projectors; Speaker enclosures; Tablet computers...