35 Advertising services; business management; Business administration services; business consultancy; Providing office functions; Online wholesale and retail store services, featuring computer software and computer hardware, computer accessories, downloadable software applications, magnetic data carriers, records, compact discs, DVDs and other digital recording media, memory cards, computer chips, apparatus for recording, transmission and reproduction of sound and images, screens, televisions, cameras, webcams, transducers, converters, amplifiers, loudspeakers, cabinets for loudspeakers, audio interfaces, microphones, measuring microphones, USB microphones, microphone preamplifiers, accessories for apparatus for recording, transmission and reproduction of sound and images, electric plugs, adapters, wires, cables, tripods, digital pianos, electric pianos, stage pianos, synthesizers, keyboards, sound modules, batteries, rechargeable batteries systems, power supplies, office computer network supplies, supplies, copiers, fax machines, telephones, mobile phones, alarm systems, surveillance systems