EP0069B Features 3.5 mm plug in-ear style earphone Compatible with iPod， iPhone， iPad， MP3， MP4， etc. General Specs Brand Somic   Model IS-R9 Sound Normal sound Earphone Type In-ear style Impedance  32 ohm Frequency Response 20-20000Hz Driver Diameter 10 mm Connector 3.5 mm audio jack Cable Material High quality material Cable Length 1.2 m Compatibility iPad， iPod， iPhone， MP3， MP4