• Frequency Response 20-20KKHz• Impedance 18Ohm• Input sensitivity 101 ± 4dB at 1KHz, 1mW• Distortion (T.H.D) ≦ 5%• Cable Length: 1.2M• Connector: 3.5mm stereo plug • Enhanced bass performance• Noise isolation with in-ear design • Reduce background noise• With mute and volume control • Interchangeable Silicon Tips in Three Sizes• Leather Touring Bag