USB 3D External Sound Card * Compatible with: Digital devices which have an USB port * Supported OS: Windows, Windows 98/2000/Me/XP, OS Mac 8.6 above * Connector/Ports: 1 USB connector, 1 x 3.5mm audio jack, 1 x 3.5mm mic jack * This item is 100% Brand New. Never used. It comes with 3 Months Warranty by Seller.