Sick of trying to stretch your wires around the back of your computer system? # 1 Best USB Audio Card - Plug and Play USB Audio InterfaceNo installation Needed - 8.1 Channel USB External Audio Card Audio Adapter With Volume ControlPlay, Pause, Next and Former Song Buttons with 3.5 mm Stereo Audio Device Output Jack and 3.5 mm MIC Input Jack - USB Audio Adapter For All Platforms - Order Now High Quality USB DAC With Best Life time Guarantee Plug the USB Audio Card into your USB port, and then plug your earphones into the USB Audio Adapter. Ta-Da! 8.1 Channel Audio without the investment in an entire set of speakers! Simply Plug in For Virtual 8.1 Channel Audio The Virtual 8.1 Channel USB DAC is a highly versatile USB Audio Interface which can be made use of either with desktop or note pad systems as External Audio Card. No installation required. Features & Specification:. - Compliant with USB Audio Device Class Specification 1.1 - Compliant with USB HID Class Specification 1.1 - USB bus-Powered mode, No External Power Required - Connectors: USB Type-A, Stereo Output Jack, Mono Microphone-Input Jack - Functional Keys: Microphone-Mute, Speaker-Mute, Volume-Up, Volume-Down, Previous-Track, Next Track, PlayPause - Include Xear 3D For Windows XPVista System Demand:. - Desktop or Notebook PC With a USB Port - Windows 98SE ME 2000 XP Win 8 Server 2003 Vista, Linux, MacOS 10 or Higher - Include Xear 3D For Windows XPVista - Stereo Active Speaker or Stereo Ear Phone - Mono Microphone (Optional) Nidati USB Audio Card is designed to Immerse you completely cinematic 8.1 multi-channel audio. Nidati offers the irresistible combination of premium-quality USB Audio Interface, extra-sturdy, strengthened building and excellent Audio ... This USB Audio Card is on Sale for a Limited Time.