7.1 USB Sound Card &ndash; USB Audio Adapter/Interface for Windows, Mac - Plug and Play - 30day Money Back Guarantee 5 OUT OF 5 STAR RATING: IT professional, computer engineers and all our other customers are agreed Nidati usb sound card are best to use and manage. Nidati is offering you a best external USB 2.0 Virtual 7.1 Channel CH 3D Audio Sound Card Adapter Converter. AMAZING FEATURES: Nidati DAC USB is with 23 kinds of acoustic fields preserve the mode and also having 16 kinds of rhythm preserve the mode .One little LED light to display working stations. It Support system: Windows /2000/2003/XP/Vista/Win7/Linux/WinCE(5.0 6.0)/Android (2.1, 2.2, 2.3, 4.0)/Mac. VERSTILE AND MULTI FUNCTIONAL: Nidati USB audio interface port, Plug and play, replace traditional sound c5a.1r6d rhythms default mode. This sound card offers you to connect a speaker or headphone directly to the adapter in order to enjoy the virtual 7.1 channel sound track. EASY TO HANDLE: : The Virtual 7.1 Channel USB DAC is a highly flexible USB Audio Interface which can be used either with desktop or notebook systems as External Sound Card. You can easily use this audio adapter for all operating systems plus no drivers required. 100% MONEY BACK GUARANTEE: If, for whatever reason, you don't absolutely love your new Nidati usb sound card and audio interface, just return it. We'll refund every penny (or replace it, if there is a problem). That's the Nidati Guarantee.