Mini USB external sound adapter, add a second stereo sound output to your PC.<br><br><strong>Features:</strong><br>Mini USB 2.0 full-speed (12Mbps) stereo sound card.<br>Plug and play, no drivers needed.<br>USB bus powered, external power is not required.<br>Connectors: USB type A, 3.5mm stereo output jack and microphone input jack.<br>With built-in LED indicator light showing the working status.<br><br><strong>System requirement:</strong><br>* Desktop or notebook PC with a USB 2.0 port.<br>* For Windows 7/ 8, Vista, XP, 2000, 98SE, ME, Server 2003, Linux, MAC OS/ X 10.5.x or higher operating system.<br>* Active stereo speaker or stereo earphone.<br><br><strong>Specifications:</strong><br>Color: Black<br>Item Size:2.5 * 4 * 1cm / 1 * 1.6 * 0.4in<br>Item Weight: 8g / 0.27oz<br>Package Size: 13 * 11 * 2cm / 5.1 * 4.3 * 0.8in<br>Package Weight: 26g / 0.89oz<br><br><strong>Package List:</strong><br>1 * USB Sound Adapter