EP0340W Features Flat cable for added convenience Suitable for iPhone 5， iPod touch 5， iPod nano 7， iPhone 4/4S， iPad 4， HTC and Samsung phones Clear sound quality General Specs Brand SMZ 610 Sound Excellent super bass sound Earphone Type Wired in-ear headphone Impedance  32 ohms at 1kHz Sensitivity 118db+/-3db Frequency Response 12-22000Hz Connector 3.5 mm audio jack Driver 15 mm Compatibility iPhone 5， iPod touch 5， iPod nano 7， iPhone 4/4S， iPad 4， HTC and Samsung phones