EP0091G Features 3.5mm plug in-ear style earphone Enjoy music or movies conveniently with this high quality earphone Compact size for you to carry anywhere you go Compatible for MP3， MP4， iPod， iPhone and computers General Specs Brand AWEI   Model ES900i Sound Excellent sound Earphone Type In-ear earphone Drive 11.5 mm Sensitivity 110dB±3dB Impedance  16ohm±15% Frequency Response 20-20000HZ Connector 3.5 mm audio jack Cable Length 1.2 m Compatibility MP3 player， MP4 player， iPod， iPhone， PC， laptop