[ Acoustic couplers; ] Audio-video receivers; Cabinets for loudspeakers; [ Camcorders; ] Cases for smartphones; Cell phone battery chargers; [ Covers for smartphones; ] Data cables; Global positioning system (GPS) apparatus; [ Headphones; ] Monopods used to take photographs by positioning a smartphone or camera beyond the normal range of the arm; [ Optical lenses; Photographic cameras; Portable media players; Projection screens; ] Stands adapted for mobile phones; [ Television receivers; Wire...