Headphones; Transponders; Webcams; Audio interfaces; Audio- and video-receivers; Computer hardware, namely, wireless network extenders; Data cables; Data processing apparatus; High definition multimedia interface cables; High definition multimedia interface splitters; Optical fiber cables; Stands adapted for laptops; Telecommunications equipment, namely, fiber-optic transceivers, fiber optic repeaters, converters and optimizers, wave division multiplexers, free-space optics transmission syste...