Description:100% brand new and high qualitysensitivity: 110db¡À3dbfrequency response:20-20000Hzplug type: 3.5mmcord length: 1.2menjoy the music worldsize adjustable with enclosed s、m and L sleeves3.5mm stereo plug compatible with any music players using 3.5 mm standardPackage Included:1 x earphone 1 x carrying pouch4 x rubber earbuds