Camcorders; Headphones; Megaphones; Microphones; Smartwatches; Cabinets for loudspeakers; Computer keyboards; Computer peripheral devices; Covers for smartphones; Earphones; Electronic pens; Portable media players; Protective industrial respiratory masks; Rechargeable electric batteries; Satellite navigational system, namely, a global positioning system (GPS); Transistors; Computer mouse; Electrical plugs and sockets; Wireless controllers to remotely monitor and control the function and statu...