sades newest sa902 7.1 channel virtual surround sound usb gaming headset over-ear headphones with noise isolating mic led light for pc mac computer gamers(black blue) sades <br>specification <br> <br>loudhailer diameter: 40mm <br>frequency range: 20~20, 000hz <br>sensitivity: 114±3db at 1khz <br>impedance: 32 ohm at 1khz <br>max power: 30mw <br>mic sensitivity: -38db±3db <br>mic frequency range: 50-10khz <br>mic impedance?2.2? at 1khz <br>headset cable length: approx.3m <br>input plug: usb <br>weight: approx. 340g <br> <br>what's in the box? <br> <br>1 * sa902 headset <br>1 * user documentation <br>1 * cd driver <br> <br>what you need: <br>windows 10, windows 8, windows vista or windows 7 <br>usb port <br><b>ps4 & xbox one are not compatible</b> <br>7.1 surround sound requires software installation(also available on sades website)