PlasticImportedDynamic transducers deliver powerful， bass-driven sound16-ohm impedance is ideal for use with cell phones， tablets and portable music playersIn-ear-canal design provides ambient noise isolation to improve listening experienceAsymmetrical 1.2 m cable terminated with 3.5mm right-angled plugSoft silicon eartips (S， M， and L size included) to optimize fit for comfort and sound qualityCarrying pouch included for handy storage