3D spectacles; Clinometers; Anti-dazzle spectacles; Audio speakers; Batteries; Battery chargers; Cabinets for loudspeakers; Calibration devices for calibrating optical emission spectrometers; Cameras; Car stereos; Car videorecorders; Cases for eyewear; Cell phone cases; Children's eye glasses; Computer cameras; Computer display screens; Computer keyboards; Computer mice; Contact lenses; Corrective glasses; Data cables; Directional compasses; Earphones; Electrical outlets; Eye glasses; Eyeglass lenses; Global positioning system (GPS) apparatus; Height measuring instruments; Instruments for measuring length; Measuring apparatus for temperature and humidity levels in gases and solid substances; Measuring apparatus, namely, angle finders; Microphones; Mouse pads; Oil and gas well downhole survey and measurement equipment; Polarizing spectacles; Power adapters; Power cables; Pressure measuring apparatus; Protective films adapted for smartphones; Slide or photograph projection apparatus; Smart glasses; Spectacle holders; Stands adapted for mobile phones; Sunglasses and spectacles; Surveying instruments; Video projectors; Wireless chargers; Wireless computer peripherals; Wireless controllers to monitor and control the functioning of other electronic devices