Skull earphone for iphone,MP3,MP4,PC 1,CE, FCC ,RoHS compliant 2,OEM & ODM 3,Top ... , iPod and iPhone. Specification Drive unit 9.2mm Impedance32ohmSensitivity-100dBmFrequence range 20-2khzFunctionstereoWiresTPE cableUsageIpod,Ipone,MP3,MP5,CertificateCE,Rohs,FCC skull ...