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Headphones; Headsets; Loudspeakers; Microphones; Sunglasses; Acoustic membranes; Audio interfaces; Audio mixers; Contact lens cases incorporating ultrasonic cleaning functions; Ear pads for headphones; Electric batteries; Electric cables; Equalizers being audio apparatus; Gaming headsets for playing video games; Holders adapted for mobile telephones and smartphones; In-car telephone handset cradles; Portable media players; Portable power chargers; Portable vibration speakers; Speaking tubes; Telecommunication apparatus in the nature of wireless receivers in the form of jewellery; Wires, electric; Horns for loudspeakers; Laser projection virtual keyboards; Speaker microphones; Wireless speakers