MI0169S Features Stereo sound effect Standard 3.5 mm audio plug Freely answer calls with the built-in microphone Adjustable volume control Designed with an "IP" and "NK" button for connection with different cell phones Equipped with a 1.2 m cable General Specs Brand & Model LANGSTON IN09   Type In-ear earphones Sound Stereo Microphone Yes Frequency Response 13Hz-22.5KHz Sensitivity 110dB Impedance  32ohms Connector 3.5 mm audio jack Cable Length 1.2 m Compatibility iPhone， Samsung， HTC， Xiaomi， Meizu， Sony， Blackberry， Nokia， HUAWEI， LG， ZTE， Lenovo， etc Package Details Weight: 69.55 g Size: 16.5*8.8*3.3 cm