COLOR BLACK CABLE LENGTH 1.8 METERS CONNECTOR 3.5MM PLUG&USB PLATFORM PC/MOBILE DRIVER UNIT (MM) 40MM NEODYMIUM MAGNET DTS CERTIFIED NO CHANNEL STEREO FREQUENCY RESPONSE 20HZ ~ 20 KHZ SENSITIVITY 117 ± 3DB USB CONNECTOR YES 3.5 MM GOLD PLUG YES PLUG&PLAY MICROPHONE YES EXTERNAL IN-LINE CONTROLLER YES MIC DIRECTIVITY OMNI -DIRECTIONAL MIC NOISE CANCELLING NO MIC SENSITIVITY -54 ± 3DB MIC FREQUENCY 100HZ ~ 10 KHZ MIC IMPEDANCE 2.2K OHM