IP4825W Features Standard 3.5 mm audio plug Allows you to enjoy your favorite music at anytime Features a microphone for you to freely answer calls Equipped with a 1.2 m flat cable General Specs Brand & Model LANGSTON JV-04   Sound Stereo Type In-ear earphones Input Power 19mw Impedance  32ohm Sensitivity 110dB/V Frequency Response 13Hz-22.5KHz Connector 3.5 mm audio jack Cable Length 1.2 m Compatibility iPhone， iPad， iPod， etc. Package Details Weight: 49.22 g Size: 16.5*11.3*2 cm