Adapter plugs; Audio speakers that may be attached with adhesive to the abdominal area of pregnant women for the purpose of transmitting music or sounds to the fetus, not for medical purposes; Bathroom scales; Cell phone battery chargers; Electric door bells; Home and office automation systems comprising wireless and wired controllers, controlled devices, and software for lighting, HVAC, security, safety and other home and office monitoring and control applications; Magneto-optical pens; Micro USB ports; USB cables for cellphones; Battery chargers for use with mobile phone, electrical device, smart band, vehicle, camera; Carrying cases, holders, protective cases and stands featuring power supply connectors, adaptors, speakers and battery charging devices, specially adapted for use with handheld digital electronic devices, namely, mobile phone, vehicle charger, smart band; Electric switch housings; Headsets for mobile telephones; Optical lamps; Technical measuring, testing and checking apparatus and instruments for measuring, testing and checking the temperature, pressure, quantity and concentration of gas and liquids