Product name : J1 High Performance Professional LED Gaming Headset Model no : J1 Color : Black Type: Headset Communication: Wired Impedance: 20 Ohm Driver Diameter: 50 mm Frequency Range: 20-20KHz Noise Cancelling Mic (omni-directional) Mic Dimension: 6.0 * 5.0mm Mic Sensitivity: -38dB Mic Impedance: 2.2kohm Cable Length: 2.2m Control Button: Yes Volume Control:Yes Support Memory Card:No Headset Jack: USB + 3.5mm Multi-Platform Compatibility Surrounding Stereo Sub-woofer Comfortable Humanized D