... in-ear earphone, clip-on headphone, over-head headphone, noise cancelling headphone 2. Impendance: 300phms 1. Style: Mini in-ear earphone, clip-on headphone, over-head headphone, noise cancelling headphone ... and foil sheet, non-skid paper traymat & airsickness bag, Bone China & SS flatware, Galley equipment & ... on function and budget, are focus field in LIKNCO's always consideration on research and ...