Compatible with 2000 / XP / Win8 system and no need driversSupport for laptops， desktops and other equipmentSupport for audio input and output， providing superb sound quality and convenienceCompliant with USB 2.0 and USB audio device specification 1.0.This USB 2.0 external virtual 7.1 surround sound card adapter lets you connect headphones or speakers， and a microphone to your computer without the need to unplug other devices!Product Interface: USB2.0 + 3.5M audio output / microphone inputCompatible System: Window XP / 7 / 2000 / VistaPackage:1 x Sound Card Adapter