Audio- and video-receivers; Batteries; Broadband wireless equipment, namely, telecommunications base station equipment for cellular and fixed networking and communications applications; Cables, electric; Cases for smartphones; Cell phone cases; Chargers for electric batteries; Data cables; Data processing equipment, namely, couplers; Ear buds; Electronic and optical communications instruments and components, namely, optical receivers; Electronic and optical communications instruments and components, namely, optical transmitters; Headphones; Leather protective covers specially adapted for personal electronic devices, namely, cell phones; Loudspeakers; Megaphones; Microphones; Microscopes; Monopods used to take photographs by positioning a smartphone or camera beyond the normal range of the arm; Personal stereos; Portable media players; Protective films adapted for smartphones; Rechargeable batteries; Renewable battery system to provide backup power; Set-top boxes; Smartglasses; Smartwatches; Speaking tubes; Stands adapted for mobile phones; Tape recorders; Transmitters of electronic signals; Transponders; USB cables for cellphones; Walkie-talkies; Cases for photographic apparatus; Chip card readers; Electronic card readers; Optical disk readers; Stands for photographic apparatus