SDRD

Headphones; Megaphones; Microphones; Cabinets for loudspeakers; Cell phone covers; Computer peripherals; Electric door bells; Electric navigational instruments; Electronic video surveillance products, namely, electronic components of security systems; Eye glasses; Mobile telephones; Monopods used to take photographs by positioning a smartphone or camera beyond the normal range of the arm; Photographic cameras; Portable media players; Protective films adapted for smartphones; Renewable battery system to provide backup power; Sound recording apparatus; Switches, electric; Telecommunication exchangers