Cable Length: 1.4m Frequency Range: 20Hz – 20KHz Impedance: 32Ω Sensitivity: 115dB±3DB Input Jack: 3.5 mm Havit H205D also has Noise Cancelling, Headset with Crystal Clear Hi-Fi Sound, and Microphone. Havit H205D pad is leather with an adjustable headband, offering great comfort. This new Havit H205D headphone is compatible with PC, Mac, smartphones, tablets, etc.