MONSTER GAMING HEADPHONE GAMING HEADSET- KNIGHT X300S Virtual 7.1 Surround Sound Bass Body Vibration Multi-function Line Control Light Weight Design 360 Degrees Adjustable Microphone Ultra Soft Ear Cushions For PC/Laptop USB Connection VOL/MIC/EQ independent switch Driver Unit: 50mm Sensitivity: 112dB 3dB Directivity: Omnidirectional Impedance: 32 15% Frequency response: 20Hz - 20kHz Sensitivity(S.P.L): 106dB Vibrator impedance: 8 Vibration range: 50Hz - 1kHz Color: Black Cable length: 1.8M Plug: USB