high quality headphone 1,high sound effect 2,factory price headphone 3,OEM/ODM offer 4,:iso:9001:2008,rohs.fcca icti,gsv hotest sell and high quality wearing headphone with factory price specification: headphone: headphone&headset , computer headphone,headset,audio headset,super bass headphone,fashion headphones packaging earphonest. MaterialABS PVC Driver UnitΦ74mmImpedance32 ΩSensitivity115±2dB ...