Acoustic coupling devices; Cabinets for loudspeakers; Computer memories; Data processing apparatus; Data processing equipment, namely, couplers; Earphones; Headphones; Integrated circuit cards and components; Megaphones; Microphones; Sound transmitting apparatus; Data cables

Acoustic couplers; Cabinets for loudspeakers; Computer memories; Data processing apparatus; Data processing equipment, namely, couplers; Earphones; Headphones; Megaphones; Microphones; Sound transmitting apparatus; Blank integrated circuit cards; Data cables