Features & Specification
?1) Complaint with USB 2.0 Full-Speed ( 480Mbps ) Specification
?2) Complain with USB Audio Device Class Specification 1.0
? 3)Compliant with USB HID Class Specification 1.1
? $)USB bus-power mode, no external power required
? 5)Connectors: USB Type-A, Stereo output jack, Mono microphone-input jack
? 6)Functional keys: Microphone-Mute, Speaker-Mute, Volume-Up, Volume-Down
? 7)LED indicators: Microphone-Mute Status, Activity
? 8)Include Xear 3D, the virtual 7.1 channel sound simulation software for Windows XP/Vista
? 9)Driverless-No driver required for Windows 98se/me/2000/xp/Server 2003/vista, Linux, MacOS


USB Sound Adapter  7.1 Channel
Introduction:
The USB Virtual 7.1 Channel Sound Adapter is a highly flexible audio interface which can be used either with Desktop or Notebook systems. Bundled with Xear 3 D Sound simulation software, it turns your stereo speaker or earphones into 7.1 channel environment. No drivers required, just plug and play for instant audio playback, also compatible with all major operation systems.                                                                                                                                                  The sound card is using for the voice. Such as desktop computer, if there is no sound card, then you can't listen music. Can't talk on Skype by phone.
   The function of the sound card is same function as for PCI sound card. PCI is used in inset of computer. Sometimes, the inner sound card of laptop was broken, and it's not easy to repair. So can use this usb sound card.