The high performance USB 2.0 to Audio Sound Card Adapter Virtual 5.1 Channel Double Micrphone and Headset is most suitable for home theater surround sound. It&acute;s portable and convenient to carry, good choice for you.                                    Features            Double USB Microphone<br>
Double USB Headset<br>
Compliant with USB 2.0 full-speed (12Mbps) specification<br>
Compliant with USB Audio device class specification 1.0<br>
Compliant with USB HID class specification 1.1<br>
Connectors: USB type-A, stereo output jack, mono microphone-input jack<br>
Functional keys: Microphone-mute, headset-mute, volume-up, volume-down<br>
LED indicators: Microphone-mute status ,activity<br>
Support Windows 98 SE, ME, 2000, XP, Vista, Linux, Mac OS 10 or higher<br>
                                                                                                Package Includes            1 x Virtual 7.1 Channel USB Sound Adapter With Double Headset<br>