9
Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, transmission or reproduction of sound or images; magnetic data carriers, recording discs; automatic vending machines and mechanisms for coin-operated apparatus; cash registers, calculating machines, data processing equipment and computers; fire-extinguishing apparatus.
audio interfaces; audio equaliser apparatus; cabinets for loudspeakers; cases for smartphones; chargers for electric batteries; earphones and headphones; headphones; horns for loudspeakers; loudspeakers; megaphones; microphones; rechargeable electric batteries; sound transmitting apparatus; subwoofers; usb cables; virtual reality headsets; wireless chargers; wireless speakers; acoustic membranes; data processing equipment, namely, couplers