WV

Acoustic conduits; Acoustic membranes; Apparatus for transmission of communication; Audio- and video-receivers; Cabinets for loudspeakers; Earphones and headphones; Electronic educational apparatus, namely, communication blocks that manipulate and convey information electronically based on their arrangement and are used for cognitive development in disciplines such as counting, spelling or quantitative; Horns for loudspeakers; Loud speakers; Megaphones; Microphones; Personal stereos; Pickups; Portable media players; Radio sets; Computer hardware for communicating audio, video and data between computers via a global computer network, wide-area computer networks, and peer-to-peer computer networks