8.1 USB External Sound Card - Plug and Play/No drivers Needed - Audio Interface/Adapter with Lifetime Guarantee - Compatible with All Operating Systems 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 to you a best external USB 2.0 Virtual 8.1 Channel CH 3D Audio Sound Card Adapter Converter. AMAZING FEATURES: Nidati usb audio interface can work with either desktop or laptop, it extends your stereo speaker or earphone to 8.1 channel environment, giving you high quality sound enjoyment. This usb audio adapter is having 2.0 usb full speeds, easy use, plug and play features instead of traditional sound card. It also supports for Windows 98SE/ ME/ 2000/ XP / Vista/ WIN7/ Win8/ Server/ MacOS 10 or higher. VERSTILE AND MULTI FUNCTIONAL: Nidati is offering you premium quality usb sound card with multi-function keys support microphone-mute, speaker-mute, volume-up, volume-down, former-song, next-song and stop/ start. EASY TO HANDLE: The Virtual 8.1 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 require 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.