AUX, Headphone diameter: 40mmImpedance: 32 ohmsSensitivity: 102dB, S.P.L. at 1 kHzFrequency response: 20 Hz - 20,000 HzThe maximum input power: 100 mWPVC cord length: 2 metersPlug type: AUXMute, mic. On / off, cable volume control drivers: high-definition neodymium drivers