Camcorders; Earphones; Headphones; Loudspeakers; Microphones; Smartglasses; Battery chargers; Cellular phones; Computer monitors; Computer peripheral devices; Data processing equipment, namely, couplers; Electronic indicator panels; Global positioning system (GPS); Horns for loudspeakers; Interfaces for computers; Power adapters; Selfie sticks; Television cameras; Video recorders; Wireless controllers to remotely monitor and control the function and status of other electrical, electronic, and...