MPEG audio layer-3 players; navigation apparatus for vehicle on-board computer; Audio Receivers; Portable multimedia players; Personal Digital Assistants; Headphones; Earphones; loudspeakers; Microphones; Cordless phone; Earphone microphones; telephone headsets; Remote controllers for televisions; Remote controllers for stereos; Remote controllers for cassette players; Remote controllers for MPEG audio layer-3 players; Mobile phones; Smart phones; Television receivers; Portable communication ...