[ Acoustic couplers; ] Audio- and video-receivers; Cabinets for loudspeakers; Computer peripheral devices; Covers for smartphones; [ Hands-free kits for phones; ] Headphones; Horns for loudspeakers; [ Juke boxes for computers; ] Loudspeakers; Megaphones; [ Microphones; Mobile telephones; ] Personal stereos; Portable media players; Record players; Sleeves for laptops; Sound transmitting apparatus [ ; Speaking tubes; Telephone transmitters ]