... noise cancelling headphone 2. Impendance: 300phms 1. Style: Mini in-ear earphone, clip-on headphone, over-head headphone, noise ... handling. Mainly advantage products from LIKNCO: rotable, disposable,bio-plastics, cutlery pack & condiments pack, Aluminium casserole and foil sheet ... , Optimization on function and budget, are focus field in LIKNCO's always consideration on research and development.Our ...