EP0350R Features 3.5 mm plug in-ear style earphone with 1.2 m flat cable Allows you to conveniently enjoy music Compatible with all digital devices containing a 3.5mm audio port Convenient to carry with the included compact zipper closure pouch General Specs Type In-ear earphone Microphone N/A Shell Material Metal Speaker Unit 10 mm Sensitivity 110dB Impedance 32 ohm Plug Standard 3.5 mm  Cable Length 1.2m Compatibilities MP3/MP4 Player， PC， cell phones， etc.