Features • USB Audio Sound Card with 7.1 Virtual Surround Sound • 53mm Drivers Neodymium Magnets • Noise Cancelling Microphone via Inline Sound Card • Echo Cancelling via Inline Sound Card.Ambient noise attenuation:approx. 20 dBa • 15-25kKhz Frequency Response • Memory foam ear pads with extra set of Velour ear pads and Detachable Microphone • TeamSpeak Certified - Voice Chat Optimized.Ambient noise attenuation:approx. 20 dBa • Compatibility - USB 7.1 Connectivity for PC amp; Mac. Stereo compatible with PS4, Xbox One (Xbox One Stereo Adapter Required, not included) Specifications Headset: Transducer type: Dynamic 53mm with Neodynium Magnets Operating principle: Closed Frequency response: 15Hz-25KHz (earphones) Nominal impedance: 60 ohm per system Nominal SPL: 98+/-3dB T.H.D: lt; 2% Power handling capacity: 150mW Sound coupling to the ear: Circumaural Ambient noise attenuation: approx.20 dBA Headband pressure: 5 N Cable length and type: 1m + 2m extension Connection: Mini stereo jack plug (3.5MM) Microphone: Microphone Transducer type: Condenser (back electret) Operating principle: Pressure gradient Polar Pattern: Cardioid Power supply: AB powering Supply voltage: 2V Current consumption: Max 0.5 mA Nominal impedance: =2.2 k ohm +/- 30% Open circuit voltage at f = 1 kHz 20 mV / Pa Frequency response: 50 - 18,000 Hz (microphone) T.H.D: 2% at f = 1 kHz Max. SPL: 105dB SPL (THD = 1.0% at 1KHz) Microphone output: -39+/-3dB Dimensions: 6*5mm Length mic boom: 150MM(include gooseneck) Capsule diameter: 6mm