Creative Labs Sound Blaster X-Fi Go! Pro USB Sound Card - Refurbished THX TruStudio Pro High Definition entertainment - Advance audio technology to enhance and customize your music, movies and gaming experience. 3D Headphones Surround Sound - Incredible virtual surround over any headphones for immersive movies and gaming. VoiceFX Technology - Add more fun to online conversations with VoiceFX technology that morphs your voice in online chats or during in-game. Sound Blaster audio quality - The industry standard for audio quality on the PC available in a portable USB sound card. Superb gaming audio - Gaming support includes EAX 5.0 and OpenAL plus Creative ALchemy software to restore EAX surround to games running under Windows Vista/Windows 7.