IP4190R Features 3.5 mm in-ear earphones Stereo sound effect Built-in microphone for you to talk with your friends Comes with a 1.2 m flat cable Allows you to enjoy music and videos at anytime General Specs Brand & Model OVLENG ip730   Sound Stereo Type In-ear earphones Microphone Yes Speaker Diameter 10 mm Sensitivity 116dB±2dB， S.P.L. at 1KHz Impedance  32 ohms Frequency Response 20Hz-20000Hz Connector 3.5 mm audio jack Cable Length 1.2 m Compatibility iPhone， iPod， iPad and other 3.5 mm audio jack digital devices Package Details Weight: 59.92 g Size: 17.5*11.5*2.5 cm