Specification: ? Impedance: 16 15% ? Sensitivity: 101 dB 3dB ? Driver Size:10mm ? Frequency Range: 20Hz-20000Hz ? Plug-Type: 3.5MM Gold-plated ? Cable Length:1.20m ? Cable Feather: Wound Built-in ? Resistance to pull classic fashion appearanceWhat Include: 1 * In-ear Headphone 1 * clip