Skull earphone for iphone,MP3,MP4,PC 1,CE, FCC ,RoHS ... family mini Hi-Fi system3. Good noise performance4. The ear cups can bring Remove from the ground up5. Specially designed damping ... range 20-2khzFunctionstereoWiresTPE cableUsageIpod,Ipone,MP3,MP5,CertificateCE,Rohs,FCC skull earphone for iphone,MP3,MP4,PC