IP0681P Features 3.5 mm plug in-ear style earphone Specially designed with strawberry shape Compatible with iPhone， iPod， MP3， MP4， PC General Specs Sound Normal sound Earphone Type In-ear earphone Speaker Diameter 30 mm Impedance  32ohm+15% Frequency Response 20Hz-20KHz Max Input Power 25 Mw Connector 3.5 mm plug Cable Length 2.2 m Compatibility iPhone， iPod， MP3 player， MP4 player， PC Package Details Weight: 32.10 g Size: 15.5*5.2*3 cm Package Includes * Earphone