MI0155L Features Superb stereo sound effect In-ear design to keep noise out Built-in microphone for hands-free calling Can adjust volume as you like Universal 3.5mm plug Convenient 1.2 m cable General Specs Brand & Model GENIPU GNP-89 Sound Bass stereo sound Earphone Type In-ear earphones Microphone Yes Volume Control Yes Impedance 32 ohms Frequency Response 18Hz-20kHz Sensitivity 116dB Connector 3.5 mm audio jack Cable Length 1.2 m Compatibility Cell phone equipped with a 3.5mm cable Package Details Weight: 49.22 g Size: 15*9.5*3.2 cm