Brand SADES Color Black + red Material Plastic + aluminum alloy Interface Type USB 2.0 length 3 M Impedance 32 ohm Sensitivity 111 +/- 3 dB Headphone Frequency Response 20~20000 Hz Microphone Frequency Response 30~16000Hz Model SA-903 Features Stunning Surround Sound: Enjoy yourself in the game play and experience! With the SADES USB headset you get impressive simulated 7.1 surround sound; The external 7.1 USB sound card delivers thrilling surround sound with separately adjustable levels. You hear footsteps behind you to the left a rustle shouts you will hear the enemy before you see him. The USB headset makes the difference and gives you a clear advantage over stereo gamers; Optimized ear pads: One set of innovative ear pads provide hours of gaming comfort tailored to you. Together with an ultra-comfortable unique 4-pieces of padded headband ear cushions guarantees hours of gaming comfort. All effectively eliminate external noise so you can stay fully absorbed in your game; Premier sound: High-quality 40mm drivers with neodymium magnets and membranes are the last word in headset technology delivering premium sound quality for gaming music and voice chat with perfectly balanced bass and trebles. Connect the SADES USB Plug and the stereo audio will transform into fully-fledged surround sound that will blow you away with its quality; Flexible Robust: The SADES is flexible and extremely robust thanks to its reinforced headband which offers nine levels of height adjustment for the perfect fit. What is more the microphone is flexible for exact positioning. You can even control the volume level using the little smart in-line Remote Control Other Microphone diameter: 60 x 5.0mm; Microphone sensitivity: -54dB +/- 3dB; Impedance: <= 2200 ohm; Speaker diameter: 40mm; Impedance: 32 ohm; Frequency response: 20~20000Hz; Sensitivity: 111dB +/- 3dB Packing List 1 x Headphones (300cm-cable) 1 x Software CD 1 x Chinese user manual CD: http://m5.img.dxcdn.com/CDDriver/CD/sku.231953.rar